State Parkway · Nassau & Suffolk County

Northern State Parkway Traffic & Accidents

Real-time accident reports, live traffic conditions, and a complete safety guide to the 29-mile Northern State Parkway — Long Island's north-shore commuter parkway from the Grand Central Parkway to Hauppauge. Updated every 4 hours.

Recent incidents 1 accident in the last 24 hours · as of Jun 21 View live incidents →
Tracked incidents
34
Length
29 mi
Exits
25
Speed limit
55 mph
Daily traffic
100k

Route Overview

From
Grand Central Parkway (Queens–Nassau line, Lake Success)
To
Veterans Memorial Highway / NY 347 & NY 454 (Hauppauge)
Also Known As
Northern State, Northern Parkway, NSP, northern-stpkwy, northern-state-pkwy

Why the Northern State Parkway Matters

Congestion & Risk

Among Long Island's busiest north-shore commuter parkways; 1930s–1960s geometry (narrow lanes, short ramps, low stone overpasses) drives elevated crash severity per crash.

History

Construction began in 1931 under Robert Moses; the first section (Grand Central Parkway east to Willis Avenue in Roslyn Heights) opened in July 1933. The final segment east to Hauppauge opened in 1965 — the last parkway built on Long Island. Ceremonially designated 'Purple Heart Way' in 2011.

About the Northern State Parkway

The Northern State Parkway — known to Long Islanders simply as the Northern State — is the principal limited-access commuter route across the northern half of Long Island. Running roughly 28.9 miles from the Queens–Nassau County line near Lake Success east to Veterans Memorial Highway in Hauppauge, it carries an estimated 100,000 vehicles on a typical weekday. As a state parkway it permits passenger vehicles only — no trucks, buses, or commercial traffic — and its 1930s-era design of narrow lanes, short ramps, and low stone bridges gives it a distinctive character (and a distinctive crash profile) that sets it apart from the truck-carrying Long Island Expressway a few miles to the south. In 2011 the State of New York ceremonially designated the corridor Purple Heart Way in honor of combat-wounded veterans.

Construction and the Robert Moses era

The Northern State Parkway was a signature project of Robert Moses and the Long Island State Park Commission, conceived in the 1920s as a scenic companion to the Southern State Parkway and a way to connect New York City to the parks and North Shore communities of Long Island. Construction began in 1931 with a groundbreaking near the Queens–Nassau border; the first section — carrying the Grand Central Parkway eastward to Willis Avenue (Exit 28) in Roslyn Heights — opened to traffic in July 1933. Famously, the route was bent two miles out of its way around the wealthy estates of Old Westbury and East Hills, a detour locals dubbed “Objectors’ Bend,” after landowners (and a reported payment to Moses to realign around a private golf course) forced the alignment off the Wheatley Hills. The parkway was pushed east in stages through Nassau in the 1930s and again after World War II, finally reaching its current terminus in Hauppauge in 1965 — the last parkway segment ever built on Long Island.

Route geometry

From its western end, where it continues seamlessly into New York City as the Grand Central Parkway (and on toward the RFK/Triborough Bridge), the Northern State heads east through Lake Success, New Hyde Park, and Searingtown. It runs six lanes wide through western and central Nassau, passing the interchanges at Glen Cove Road / NY 25 (Exit 31), the Meadowbrook State Parkway (Exit 31A), and the Wantagh State Parkway (Exit 33) — where it narrows to four lanes for the remainder of its length. Continuing through Jericho, Plainview, and Woodbury, it meets NY 135 (the Seaford–Oyster Bay Expressway) near Exit 36A and the Long Island Expressway at Exit 37A before crossing into Suffolk County near Round Swamp Road (Exit 39) in Melville. Through Suffolk it threads a wooded, divided four-lane corridor past NY 110 (Exit 40), Dix Hills (Exit 41), and the large Sagtikos / Sunken Meadow cloverleaf (Exits 44–45) in Commack, before its final interchange at New Highway (Exit 46) and its terminus at NY 347 / NY 454 (Veterans Memorial Highway) in Hauppauge.

Jurisdiction and patrol

New York State Police Troop L holds primary patrol and investigative jurisdiction for the entire Northern State Parkway across both Nassau and Suffolk counties; fatal and serious crashes are worked by the Troop L Bureau of Criminal Investigation (BCI). The Nassau County Police Department (NCPD) and Suffolk County Police Department (SCPD) assist with traffic control and lane closures during major incidents but are not the lead investigative agency on the parkway itself. NCPD precincts also conduct frequent enforcement stops along the Nassau stretch, where minor Vehicle and Traffic Law violations regularly turn up larger cases.

Speed limits

The posted limit is 55 mph for the full corridor. Because the road predates modern divided-highway standards — roughly 11-foot lanes, short acceleration ramps, tight curves, and minimal shoulders — actual operating speeds above the limit are a recurring contributor to crash severity, especially on the narrower four-lane Suffolk segment east of Exit 33. New York State Police enforce the limit, and work-zone moving-violation fines are doubled under VTL §1180-c.

Trucks, buses, and the low-bridge legacy

Like all New York State parkways, the Northern State prohibits commercial vehicles, trucks, and buses. The ban is not merely regulatory — it is physically enforced by the parkway’s low stone-faced overpasses, many with clearances of only about 9 to 11 feet, built in the 1930s for passenger automobiles. Box trucks, moving vans, and oversized rental trucks whose drivers ignore the posted restrictions periodically strike these bridges, forcing lane closures for structural inspection. The Long Island Expressway (I-495) was built decades later precisely to carry the truck traffic the parkways could not; commercial drivers and anyone in a tall vehicle should use the LIE or Route 25 (Jericho Turnpike) instead.

Dangerous Sections

The following segments are the Northern State’s documented hot spots, based on NYSDOT crash patterns and Long Island Traffic’s running corpus of NSP incident reports.

Exit 33 — Wantagh State Parkway interchange (Westbury): This is where the Northern State drops from six lanes to four, and the lane reduction combines with heavy merging traffic from the Wantagh State Parkway to create a chronic bottleneck and a frequent rear-end and sideswipe location. The flyover ramps and the southbound-access geometry give drivers little room to adjust, and congestion routinely stacks westbound here during the AM peak.

Exit 31 — Glen Cove Road / NY 25 (Carle Place): The Carle Place stretch near the Meadowbrook Parkway interchange is one of Nassau’s most heavily patrolled and highest-volume merge zones. Tight ramp spacing between Exit 31, the NY 25 access, and Exit 31A produces weaving conflicts, and the area is a frequent site of enforcement stops — including a May 2026 traffic stop that turned up a loaded handgun and switchblades.

Exit 40 — NY 110 (Melville/Huntington): Exit 40 connects the parkway to the busy NY 110 (Walt Whitman Road) corridor, one of western Suffolk’s densest commercial spines. The interchange — reconstructed by NYSDOT in 2013 — sees high merge volumes and is a recurring crash location as the parkway transitions from Nassau’s wider profile into the narrower, wooded Suffolk four-lane section.

Exits 44–45 — Sagtikos / Sunken Meadow cloverleaf (Commack): This large cloverleaf ties the Northern State to the Sagtikos State Parkway (south, toward the LIE and Robert Moses Causeway) and the Sunken Meadow State Parkway (north, toward Kings Park). The looping ramps require sharp speed reductions from parkway speeds, and the multiple weaving movements through a compressed area make it one of the corridor’s top-incident segments.

Exit 46 — New Highway (Smithtown): The easternmost interchange, on a curving divided stretch approaching the Hauppauge terminus, carries commuter traffic to and from the Hauppauge area. In late May 2026, a 29-year-old Smithtown man was killed on the westbound parkway near the New Highway overpass when his car split in half in a high-speed single-vehicle crash — a stark illustration of how unforgiving the parkway’s fixed concrete structures and tree lines are at speed.

Towns and Communities Along the Route

The Northern State Parkway serves (or directly borders) the following Long Island communities, listed roughly west-to-east:

Each town profile carries its own crash-frequency data, hospital and emergency-services list, and the recent accident archive filtered to that municipality.

Recent Editorial Coverage

Recent Northern State Parkway reporting from the Long Island Traffic data desk:

For the complete Northern State Parkway archive, see /accidents/ and filter by road.

Accident Statistics

NYSDOT Motor Vehicle Crash data and Long Island Traffic’s own corpus point to roughly 1,200–1,600 reported crashes per year on the Northern State Parkway. Single-vehicle run-off-road crashes and rear-end collisions make up the majority of the total — a pattern consistent with the parkway’s 1930s–1960s geometry: narrow (about 11-foot) lanes, short merge ramps, tight curves, tree-lined medians, and limited shoulders that predate current AASHTO standards for divided highways. The Nassau County segments (Exits 25–38) generally see higher crash frequency because of denser traffic and closely spaced interchanges; the Suffolk County segments (Exits 39–46), where the parkway narrows to four lanes through wooded terrain, tend to see higher crash severity from higher operating speeds and fixed roadside hazards. These figures are qualitative ranges drawn from NYSDOT / NY Open Data crash reporting and should be read as directional rather than exact annual counts.

For the most current picture of conditions on the road right now, the Live Accident & Traffic Reports section above pulls directly from 511NY and our own ingestion pipeline.

Last reviewed: May 2026.

If you were hurt in a Northern State Parkway collision, a Long Island personal injury lawyer can tell you whether you have a case.

Accidents on Northern State Parkway Today — Live Reports 172 active

Sunday, June 21: 38 active accidents, 95 construction zones, and 39 closures reported on Northern State Parkway right now — data from 511NY and police feeds, updated Jun 21, 10:33 PM.

CLOSURE westbound

accidentsAndIncidents on Northern State Parkway

Crash on Northern State Parkway westbound at Exit 26S - New Hyde Park Road (North Hempstead) All lanes closed

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound ramp to Exit 27S-Shelter Rock Road (North Hempstead) All lanes closed until 3:00 P.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound at Exit 37A - Long Island Expressway (Oyster Bay) All lanes closed until 3:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound Exit ramp Exit 35S - NY 106; North Broadway (Oyster Bay) All lanes closed until 2:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 37A - Long Island Expressway (Oyster Bay) and Exit 40S - NY 110 (Huntington) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Drainage improvements and overnight roadwork and repaving and utility work on Northern State Parkway eastbound between Exit 36B - NY 135 (Oyster Bay) and Exit 40S - NY 110 (Huntington), Monday May 11th, 2026 thru Saturday May 16th, 2026, Monday thru Friday, 10:00 PM thru 05:00 AM All lanes closed

No Data

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 37A - Long Island Expressway (Oyster Bay) and Exit 40S - NY 110 (Huntington) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork on Northern State Parkway eastbound between Exit 37A - Long Island Expressway (Oyster Bay) and Exit 40S - NY 110 (Huntington) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE westbound

accidentsAndIncidents on Northern State Parkway

Crash on Northern State Parkway westbound at Exit 29A - Long Island Expressway WB (North Hempstead) All lanes closed

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 37A - Long Island Expressway (Oyster Bay) and Exit 39 - Round Swamp Road (Huntington) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 37A - Long Island Expressway (Oyster Bay) and Exit 39 - Round Swamp Road (Huntington) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork on Northern State Parkway eastbound between Exit 37A - Long Island Expressway (Oyster Bay) and Exit 40S - NY 110 (Huntington) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 37A - Long Island Expressway (Oyster Bay) and Exit 39 - Round Swamp Road (Huntington) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 37A - Long Island Expressway (Oyster Bay) and Exit 39 - Round Swamp Road (Huntington) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 37 - Manetto Hill Road (Oyster Bay) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 37 - Manetto Hill Road (Oyster Bay) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 37 - Manetto Hill Road (Oyster Bay) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 37 - Manetto Hill Road (Oyster Bay) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Drainage improvements and milling and overnight roadwork and utility work on Northern State Parkway eastbound between Exit 36A - NY 135 (Oyster Bay) and Exit 37A - Long Island Expressway (Oyster Bay), Monday April 20th, 2026 thru Friday April 24th, 2026, Monday/Tuesday/Wednesday/Thursday, 10:00 PM t

No Data

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 37 - Manetto Hill Road (Oyster Bay) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 37 - Manetto Hill Road (Oyster Bay) All lanes closed until 5am

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 37 - Manetto Hill Road (Oyster Bay) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 37 - Manetto Hill Road (Oyster Bay) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 37 - Manetto Hill Road (Oyster Bay) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 37 - Manetto Hill Road (Oyster Bay) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork on Northern State Parkway eastbound Exit 33 - Wantagh State Parkway (North Hempstead) to Exit 36S - South Oyster Bay Road (Oyster Bay) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 37 - Manetto Hill Road (Oyster Bay) All lanes closed until 5am

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 37 - Manetto Hill Road (Oyster Bay) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 36N - South Oyster Bay Road (Oyster Bay) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 36N - South Oyster Bay Road (Oyster Bay) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Drainage improvements and milling and utility work on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 36N - South Oyster Bay Road (Oyster Bay), Monday April 6th, 2026 thru Saturday April 11th, 2026, Monday thru Friday, 10:00 PM thru 05:00 AM All la

No Data

CLOSURE eastbound

accidentsAndIncidents on Northern State Parkway

Crash on Northern State Parkway eastbound Exit 37 - Manetto Hill Road (Oyster Bay) All lanes closed

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 36N - South Oyster Bay Road (Oyster Bay) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 35N - NY 106 (Oyster Bay) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 35S - NY 106; North Broadway (Oyster Bay) All lanes closed until 5am

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 37 - Manetto Hill Road (Oyster Bay) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

roadwork on Northern State Parkway

Drainage improvements and milling and roadwork and utility work on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 36N - South Oyster Bay Road (Oyster Bay), Monday March 30th, 2026 thru Friday April 3rd, 2026, Monday/Tuesday/Wednesday/Thursday, 10:

No Data

CLOSURE eastbound

roadwork on Northern State Parkway

Roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 35N - NY 106 (Oyster Bay) All lanes closed until 5:00 A.M.

All lanes closed

CLOSURE eastbound

accidentsAndIncidents on Northern State Parkway

Crash on Northern State Parkway eastbound between Exit 26N - New Hyde Park Road (North Hempstead) and Exit 27S-Shelter Rock Road (North Hempstead) All lanes closed

All lanes closed

ACCIDENT westbound

Crash on Northern State Parkway

Crash on Northern State Parkway westbound at Exit 26S - New Hyde Park Road (North Hempstead) 1 Center lane of 3 lanes closed

ACCIDENT westbound

Crash on Northern State Parkway

Crash on Northern State Parkway westbound at Exit 26S - New Hyde Park Road (North Hempstead) right shoulder closed

ACCIDENT westbound

Misplaced tractor trailer on Northern State Parkway

Misplaced tractor trailer on Northern State Parkway westbound at Exit 36B - NY 135 (Oyster Bay) 1 Left lane of 2 lanes closed

ACCIDENT westbound

Police department activity on Northern State Parkway

Police department activity on Northern State Parkway westbound Exit ramp Exit 27S-Shelter Rock Road (North Hempstead) 1 Right lane of 2 lanes closed

ACCIDENT eastbound

Crash on Northern State Parkway

Crash on Northern State Parkway eastbound at Exit 30 - I U Willets Road (North Hempstead) right shoulder blocked

ACCIDENT westbound

Crash on Northern State Parkway

Crash on Northern State Parkway westbound at Exit 36A - NY 135 (Oyster Bay) 1 Right lane of 2 lanes closed

ACCIDENT eastbound

Disabled vehicle on Northern State Parkway

Disabled vehicle on Northern State Parkway eastbound between Exit 42N - NY 231 (Huntington) and Exit 43 - Commack Road; CR 4 Vanderbilt Parkway (Huntington) right shoulder blocked

ACCIDENT eastbound

Misplaced commercial vehicle on Northern State Parkway

Misplaced commercial vehicle on Northern State Parkway eastbound Exit 29 - Roslyn Road (North Hempstead) right shoulder blocked

ACCIDENT eastbound

Crash on Northern State Parkway

Crash on Northern State Parkway eastbound between Exit 32 - Post Avenue (North Hempstead) and Exit 33 - Wantagh State Parkway (North Hempstead) 1 Right lane of 4 lanes closed

ACCIDENT eastbound

Crash on Northern State Parkway

Crash on Northern State Parkway eastbound between Exit 28N - Willis Avenue (North Hempstead) and Exit 29 - Roslyn Road (North Hempstead) 1 Right lane of 3 lanes closed

ACCIDENT eastbound

Crash on Northern State Parkway

Crash on Northern State Parkway eastbound ramp to Exit 37A - Long Island Expressway (Oyster Bay) 1 Right lane of 3 lanes closed

ACCIDENT eastbound

Crash on Northern State Parkway

Crash on Northern State Parkway eastbound at Exit 28N - Willis Avenue (North Hempstead) left shoulder closed

ACCIDENT eastbound

Disabled vehicle on Northern State Parkway

Disabled vehicle on Northern State Parkway eastbound between Exit 41 - Wolf Hill Road (Huntington) and Exit 42S - Deer Park Road; NY 231 (Huntington) 1 Left lane of 2 lanes closed

ACCIDENT eastbound

Crash on Northern State Parkway

Crash on Northern State Parkway eastbound at Exit 39 - Round Swamp Road (Huntington) 1 Right lane of 2 lanes closed

ACCIDENT westbound

Crash on Northern State Parkway

Crash on Northern State Parkway westbound between Exit 28N - Willis Avenue (North Hempstead) and Exit 27S-Shelter Rock Road (North Hempstead) 2 Right lanes of 3 lanes closed

ACCIDENT eastbound

Crash on Northern State Parkway

Crash on Northern State Parkway eastbound at Exit 28S - Willis Avenue (North Hempstead) 1 Right lane of 3 lanes closed

ACCIDENT westbound

Disabled vehicle on Northern State Parkway

Disabled vehicle on Northern State Parkway westbound at Exit 35N - NY 106 (Oyster Bay) right shoulder closed

ACCIDENT westbound

Crash on Northern State Parkway

Crash on Northern State Parkway westbound Exit 31A - Meadowbrook State Parkway (North Hempstead) to Exit 29A - Long Island Expressway WB (North Hempstead) 1 Left lane of 4 lanes closed

ACCIDENT eastbound

Crash on Northern State Parkway

Crash on Northern State Parkway eastbound at Exit 31A - Meadowbrook State Parkway (North Hempstead) 1 Right lane of 5 lanes closed

ACCIDENT eastbound

Crash on Northern State Parkway

Crash on Northern State Parkway eastbound at Exit 31A - Meadowbrook State Parkway (North Hempstead) 1 Left lane of 5 lanes closed

ACCIDENT westbound

Crash on Northern State Parkway

Crash on Northern State Parkway westbound at Exit 32 - Post Avenue (North Hempstead) right shoulder blocked

ACCIDENT eastbound

Misplaced commercial vehicle on Northern State Parkway

Misplaced commercial vehicle on Northern State Parkway eastbound at Exit 30 - I U Willets Road (North Hempstead) right shoulder blocked

ACCIDENT westbound

Crash on Northern State Parkway

Crash on Northern State Parkway ramp westbound Exit 36A - NY 135 (Oyster Bay) 1 Right lane of 2 lanes closed

ACCIDENT eastbound

Crash on Northern State Parkway

Crash on Northern State Parkway eastbound at Exit 35N - NY 106 (Oyster Bay) 1 Left lane of 2 lanes closed

ACCIDENT eastbound

Crash on Northern State Parkway

Crash on Northern State Parkway eastbound between Exit 39 - Round Swamp Road (Huntington) and Exit 40S - NY 110 (Huntington) right shoulder blocked

ACCIDENT eastbound

Crash on Northern State Parkway

Crash on Northern State Parkway eastbound at Exit 28S - Willis Avenue (North Hempstead) 1 Right lane of 3 lanes closed

ACCIDENT westbound

Crash on Northern State Parkway

Crash on Northern State Parkway westbound at Exit 27S-Shelter Rock Road (North Hempstead) 1 Right lane of 4 lanes closed

ACCIDENT eastbound

Crash on Northern State Parkway

Crash on Northern State Parkway eastbound Exit ramp Exit 28S - Willis Avenue (North Hempstead) 1 Right lane of 2 lanes closed

ACCIDENT westbound

Crash on Northern State Parkway

Crash on Northern State Parkway westbound at Exit 41 - Wolf Hill Road (Huntington) right shoulder blocked

ACCIDENT westbound

Crash on Northern State Parkway

Crash on Northern State Parkway westbound between Exit 43 - Commack Road; CR 4 Vanderbilt Parkway (Huntington) and Exit 42S - Deer Park Road; NY 231 (Huntington) 1 Left lane of 2 lanes closed

ACCIDENT eastbound

Crash on Northern State Parkway

Crash on Northern State Parkway eastbound at Exit 35N - NY 106 (Oyster Bay) right shoulder blocked

ACCIDENT westbound

Crash on Northern State Parkway

Crash on Northern State Parkway westbound at Exit 25 - Lakeville Road; Marcus Avenue (North Hempstead) right shoulder closed

ACCIDENT westbound

Disabled vehicle on Northern State Parkway

Disabled vehicle on Northern State Parkway westbound at Exit 26N - New Hyde Park Road (North Hempstead) 1 Right lane of 3 lanes closed

ACCIDENT westbound

Disabled vehicle on Northern State Parkway

Disabled vehicle on Northern State Parkway westbound between Exit 26S - New Hyde Park Road (North Hempstead) and Exit 25 - Lakeville Road; Marcus Avenue (North Hempstead) right shoulder blocked

ACCIDENT westbound

Crash on Northern State Parkway

Crash on Northern State Parkway westbound Exit ramp Exit 31A - Meadowbrook State Parkway (North Hempstead) 1 Left lane of 2 lanes closed

ACCIDENT eastbound

Misplaced commercial vehicle on Northern State Parkway

Misplaced commercial vehicle on Northern State Parkway eastbound at Exit 30 - I U Willets Road (North Hempstead) 1 Right lane of 4 lanes closed

ACCIDENT westbound

Misplaced commercial vehicle on Northern State Parkway

Misplaced commercial vehicle on Northern State Parkway westbound between Exit 42S - Deer Park Road; NY 231 (Huntington) and Exit 41 - Wolf Hill Road (Huntington) right shoulder blocked Truck vs. Bridge

ACCIDENT eastbound

Downed tree on Northern State Parkway

Downed tree on Northern State Parkway eastbound at Exit 28S - Willis Avenue (North Hempstead) All lanes open Exit ramp closed until further notice

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 32 - Post Avenue (North Hempstead) 1 Right lane of 2 lanes closed Until 3 PM

1 Right lane closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 31 - Glen Cove Road (North Hempstead) and Exit 32 - Post Avenue (North Hempstead) 1 Right lane of 3 lanes closed until 3:00 P.M.

1 Right lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound at Exit 34 - Brush Hollow Road (North Hempstead) 1 Right lane of 3 lanes closed until 5:00 A.M.

1 Right lane closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound Exit ramp Exit 26S - New Hyde Park Road (North Hempstead) 1 Right lane of 2 lanes closed

1 Right lane closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound at Exit 25 - Lakeville Road; Marcus Avenue (North Hempstead) 1 Left lane of 3 lanes closed until 2:30 P.M.

1 Left lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork on Northern State Parkway westbound at Exit 25 - Lakeville Road; Marcus Avenue (North Hempstead) 1 Left lane of 3 lanes closed until 2:00 P.M.

1 Left lane closed

CONSTRUCTION both directions

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway both directions between Exit 29 - Roslyn Road (North Hempstead) and Exit 31 - Glen Cove Road (North Hempstead) 2 Left lanes of 3 lanes closed until 4:00 A.M.

2 Left lanes closed

CONSTRUCTION both directions

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway both directions between Exit 30 - I U Willets Road (North Hempstead) and Exit 31 - Glen Cove Road (North Hempstead) 1 Left lane of 4 lanes closed until 3:00 A.M.

1 Left lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound at Exit 31A - Meadowbrook State Parkway (North Hempstead) right shoulder closed Until 3 PM

right shoulder closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 40S - NY 110 (Huntington) 1 Left lane of 3 lanes closed Until 3 PM

1 Left lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork on Northern State Parkway westbound between Exit 31 - Glen Cove Road (North Hempstead) and Exit 29A - Long Island Expressway WB (North Hempstead) 1 Left lane of 4 lanes closed until 12:00 P.M.

1 Left lane closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 29 - Roslyn Road (North Hempstead) and Exit 31 - Glen Cove Road (North Hempstead) right shoulder blocked Moving Roadwork until 7:00 P.M.

right shoulder blocked

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 25 - Lakeville Road; Marcus Avenue (North Hempstead) and Exit 31 - Glen Cove Road (North Hempstead) right shoulder blocked Moving Roadwork until 7:00 P.M.

right shoulder blocked

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork on Northern State Parkway westbound at Exit 35N - NY 106 (Oyster Bay) right shoulder closed until 3:00 P.M.

right shoulder closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 40S - NY 110 (Huntington) 1 Left lane of 3 lanes closed until 3:00 P.M.

1 Left lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound between Exit 31A - Meadowbrook State Parkway (North Hempstead) and Exit 25 - Lakeville Road; Marcus Avenue (North Hempstead) 1 Left lane of 4 lanes closed until 1:30 P.M.

1 Left lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork on Northern State Parkway westbound at Exit 32 - Post Avenue (North Hempstead) 1 Left lane of 3 lanes closed until 3:00 P.M.

1 Left lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound at Exit 40N - NY 110 (Huntington) right shoulder blocked until 3:00 P.M.

right shoulder blocked

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound at Exit 32 - Post Avenue (North Hempstead) 1 Right lane of 3 lanes closed until 12:00 P.M.

1 Right lane closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound ramps to/from Exit 28S - Willis Avenue (North Hempstead) 1 Right lane of 3 lanes closed until 4:00 A.M.

1 Right lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound between Exit 30 - I U Willets Road (North Hempstead) and Exit 27N - Shelter Rock Road (North Hempstead) 1 Right lane and shoulder of 4 lanes closed Until 2 PM

1 Right lane and shoulder closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway ramp westbound at Exit 40S - NY 110 (Huntington) right shoulder closed Until 3PM

right shoulder closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 30 - I U Willets Road (North Hempstead) and Exit 31 - Glen Cove Road (North Hempstead) 1 Right lane of 4 lanes closed until 1:00 P.M.

1 Right lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork on Northern State Parkway ramp westbound at Exit 27N - Shelter Rock Road (North Hempstead) 1 Right lane of 3 lanes closed until 3:00 P.M.

1 Right lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork on Northern State Parkway westbound at Exit 40S - NY 110 (Huntington) right shoulder blocked until 3:00 P.M.

right shoulder blocked

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound ramp to Exit 36S - South Oyster Bay Road (Oyster Bay) both shoulders blocked until 3:00 P.M.

both shoulders blocked

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound Entrance ramp Exit 40N - NY 110 (Huntington) 1 Right lane of 2 lanes closed until 3:00 P.M.

1 Right lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound at Exit 32 - Post Avenue (North Hempstead) 1 Right lane of 3 lanes closed Until 3 PM

1 Right lane closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway ramp eastbound at Exit 40S - NY 110 (Huntington) 1 Left lane of 2 lanes closed until 3:00 P.M. Exit ramp

1 Left lane closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound at Exit 28N - Willis Avenue (North Hempstead) All lanes open exit ramp closed until 4:00 A.M.

All lanes open

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 28N - Willis Avenue (North Hempstead) and Exit 29 - Roslyn Road (North Hempstead) 1 Right lane of 3 lanes closed until 4:00 A.M.

1 Right lane closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound at Exit 40S - NY 110 (Huntington) right shoulder blocked until 3:00 P.M. Exit ramp

right shoulder blocked

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound between Exit 31A - Meadowbrook State Parkway (North Hempstead) and Exit 25 - Lakeville Road; Marcus Avenue (North Hempstead) 1 Left lane of 4 lanes closed until 3:00 P.M.

1 Left lane closed

CONSTRUCTION both directions

Bridge work on Northern State Parkway

Bridge work on Northern State Parkway both directions between Carle Road (North Hempstead) and Ellison Ave (North Hempstead), Wednesday June 3rd, 2026, 10:00 AM thru 03:00 PM 1 Right lane of 3 lanes closed

No Data

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound between Exit 43 - Commack Road; CR 4 Vanderbilt Parkway (Huntington) and Exit 42S - Deer Park Road; NY 231 (Huntington) 1 Left lane of 2 lanes closed Until 2 PM

1 Left lane closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork on Northern State Parkway eastbound at Exit 33 - Wantagh State Parkway (North Hempstead) 1 Right lane of 2 lanes closed Exit Ramp closed until 2:00 A.M.

1 Right lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound at EXIT RAMP CLOSED AT Exit 36N - South Oyster Bay Road (Oyster Bay) All lanes open

All lanes open

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound at Exit 38 - Sunnyside Boulevard (Oyster Bay) All lanes open exit ramp closed until 5:00 A.M.

All lanes open

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork on Northern State Parkway westbound at Exit 39 - Round Swamp Road (Huntington) All lanes open Exit Ramp Closed until 5:00 A.M.

All lanes open

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork on Northern State Parkway eastbound between Exit 36S - South Oyster Bay Road (Oyster Bay) and Exit 36A - NY 135 (Oyster Bay) 1 Right lane of 2 lanes closed and Exit Ramp Closed until 1:00 A.M.

1 Right lane closed

CONSTRUCTION both directions

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway both directions between Exit 35N - NY 106 (Oyster Bay) and Exit 32 - Post Avenue (North Hempstead) right shoulder closed until 3:00 P.M.

right shoulder closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork on Northern State Parkway westbound Entrance ramp Exit 40S - NY 110 (Huntington) 1 Right lane of 2 lanes closed until 5:00 A.M.

1 Right lane closed

CONSTRUCTION both directions

Overnight roadwork, Repaving on Northern State Parkway

Overnight roadwork and repaving on Northern State Parkway both directions between Exit 25 - Lakeville Road; Marcus Avenue (North Hempstead) and Exit 39 - Round Swamp Road (Huntington), Monday May 11th, 2026 thru Saturday May 16th, 2026, Monday/Tuesday/Wednesday/Thursday/Friday/Saturday, 10:00 AM thr

No Data

CONSTRUCTION both directions

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway both directions between Exit 31A - Meadowbrook State Parkway (North Hempstead) and Grand Central Parkway at Exit 24 - Little Neck Parkway (New York) 1 Right lane of 4 lanes closed will also be closing Ramps until 6:00 A.M

1 Right lane closed

CONSTRUCTION both directions

Roving repairs on Northern State Parkway

Roving repairs on Northern State Parkway both directions between START ROUTE Northern State Parkway; Grand Central Parkway (North Hempstead) and Exit 31A - Meadowbrook State Parkway (North Hempstead) 1 Right lane of 3 lanes closed until 6:00 A.M.

1 Right lane closed

CONSTRUCTION westbound

Roving repairs on Northern State Parkway

Roving repairs on Northern State Parkway westbound between Exit 29A - Long Island Expressway WB (North Hempstead) and Exit 25 - Lakeville Road; Marcus Avenue (North Hempstead) 2 Left lanes of 3 lanes closed until 2:30 A.M.

2 Left lanes closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 32 - Post Avenue (North Hempstead) and Exit 33 - Wantagh State Parkway (North Hempstead) 1 Left lane of 3 lanes closed until further notice

1 Left lane closed

CONSTRUCTION both directions

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway both directions between START ROUTE Northern State Parkway; Grand Central Parkway (North Hempstead) and Exit 31A - Meadowbrook State Parkway (North Hempstead) 1 Right lane of 3 lanes blocked until 6:00 A.M.

1 Right lane blocked

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 32 - Post Avenue (North Hempstead) and Exit 33 - Wantagh State Parkway (North Hempstead) 1 Left lane of 3 lanes closed until 3:00 A.M.

1 Left lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound between Exit 32 - Post Avenue (North Hempstead) and Exit 31A - Meadowbrook State Parkway (North Hempstead) 1 Right lane of 3 lanes closed until 4:00 A.M.

1 Right lane closed

CONSTRUCTION both directions

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway both directions between Exit 31A - Meadowbrook State Parkway (North Hempstead) and Exit 29 - Roslyn Road (North Hempstead) 1 Left lane of 4 lanes closed westbound; left shoulder closed eastbound until 3:00 P.M.

1 Left lane closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 30 - I U Willets Road (North Hempstead) and Exit 31 - Glen Cove Road (North Hempstead) 2 Right lanes of 4 lanes closed until 3:00 A.M.

2 Right lanes closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound between Exit 31A - Meadowbrook State Parkway (North Hempstead) and Grand Central Parkway at Exit 24 - Little Neck Parkway (New York) 1 Right lane of 4 lanes closed until 5:00 A.M.

1 Right lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound area of Exit 31A - Meadowbrook State Parkway (North Hempstead) 1 Left lane of 4 lanes closed until 3:00 P.M.

1 Left lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound between Exit 40S - NY 110 (Huntington) and Exit 39 - Round Swamp Road (Huntington) 1 Right lane of 2 lanes closed until 2:00 A.M.

1 Right lane closed

CONSTRUCTION both directions

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway both directions between Exit 31A - Meadowbrook State Parkway (North Hempstead) and Grand Central Parkway at Exit 24 - Little Neck Parkway (New York) 1 Right lane of 4 lanes closed until 6:00 A.M.

1 Right lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound area of Exit 31A - Meadowbrook State Parkway (North Hempstead) 2 Right lanes of 4 lanes closed right lane and partial exit ramp closed until 3:00 P.M.

2 Right lanes closed

CONSTRUCTION westbound

Overnight roadwork on Northern State Parkway

Overnight roadwork on Northern State Parkway westbound between DIRT RD (Westbury) and Exit 31A - Meadowbrook State Parkway (Westbury), Friday May 1st, 2026 thru Saturday May 2nd, 2026, 10:00 PM thru 03:00 AM 2 Right lanes of 3 lanes closed

No Data

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork on Northern State Parkway westbound between Exit 32 - Post Avenue (North Hempstead) and Exit 31A - Meadowbrook State Parkway (North Hempstead), Monday April 27th, 2026 thru Tuesday April 28th, 2026, Monday/Tuesday, 11:00 AM thru 03:00 PM 2 Right lanes of 4 lanes closed

No Data

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork on Northern State Parkway eastbound between Exit 32 - Post Avenue (North Hempstead) and Powells Lane (North Hempstead), Thursday April 30th, 2026 thru Friday May 1st, 2026, 11:00 PM thru 03:00 AM 2 Left lanes of 3 lanes closed

No Data

CONSTRUCTION eastbound

Overnight roadwork on Northern State Parkway

Overnight roadwork on Northern State Parkway eastbound between I U WILLETS RD (Old Westbury) and Exit 31 - Glen Cove Road (North Hempstead), Wednesday April 29th, 2026 thru Thursday April 30th, 2026, 11:00 PM thru 03:00 AM 2 Right lanes of 3 lanes closed

No Data

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork on Northern State Parkway westbound at Exit 40S - NY 110 (Huntington), Tuesday April 28th, 2026 thru Wednesday April 29th, 2026, 11:00 PM thru 03:30 AM 2 lanes of 4 lanes closed

No Data

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork on Northern State Parkway eastbound at Exit 39 - Round Swamp Road (Huntington), Monday April 27th, 2026 thru Tuesday April 28th, 2026, 11:00 PM thru 03:30 AM 2 lanes of 4 lanes closed

No Data

CONSTRUCTION eastbound

Milling, Drainage improvements, Overnight roadwork on Northern State Parkway

Drainage improvements and milling and overnight roadwork on Northern State Parkway eastbound between Exit 36A - NY 135 (Oyster Bay) and Exit 39 - Round Swamp Road (Huntington), Monday April 27th, 2026 thru Friday May 1st, 2026, Monday/Tuesday/Wednesday/Thursday, 10:00 PM thru 05:00 AM 2 Left lanes o

No Data

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 30 - I U Willets Road (North Hempstead) and Exit 31A - Meadowbrook State Parkway (North Hempstead) 2 Left lanes of 4 lanes closed until 3:00 A.M.

2 Left lanes closed

CONSTRUCTION both directions

Roadwork, Roving repairs on Northern State Parkway

Roadwork and Roving repairs, roadwork on Northern State Parkway both directions between START ROUTE Northern State Parkway; Grand Central Parkway (North Hempstead) and Exit 31A - Meadowbrook State Parkway (North Hempstead) 1 Right lane of 3 lanes blocked until 6:00 A.M.

1 Right lane blocked

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork on Northern State Parkway eastbound START ROUTE Northern State Parkway; Grand Central Parkway (North Hempstead) 2 Left lanes of 3 lanes closed until 6:00 A.M.

2 Left lanes closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 29 - Roslyn Road (North Hempstead) and Exit 30 - I U Willets Road (North Hempstead) All lanes open Entrance and Exit ramps closed

All lanes open

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 41 - Wolf Hill Road (Huntington) and Exit 42N - NY 231 (Huntington) 1 Left lane of 2 lanes closed until 2:00 P.M.

1 Left lane closed

CONSTRUCTION both directions

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway both directions between Exit 31A - Meadowbrook State Parkway (North Hempstead) and START ROUTE Northern State Parkway; Grand Central Parkway (North Hempstead) 1 Right lane of 3 lanes closed until 6:00 A.M.

1 Right lane closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 28S - Willis Avenue (North Hempstead) and Exit 31 - Glen Cove Road (North Hempstead) 1 Right lane of 3 lanes closed until 3:00 P.M.

1 Right lane closed

CONSTRUCTION westbound

Roving repairs on Northern State Parkway

Roving repairs on Northern State Parkway westbound between Exit 43 - Commack Road; CR 4 Vanderbilt Parkway (Huntington) and Exit 38 - Sunnyside Boulevard (Oyster Bay) 1 Left lane of 2 lanes closed until 5:00 A.M.

1 Left lane closed

CONSTRUCTION westbound

Roving repairs on Northern State Parkway

Roving repairs on Northern State Parkway westbound between Exit 31A - Meadowbrook State Parkway (North Hempstead) and START ROUTE Northern State Parkway; Grand Central Parkway (North Hempstead) 1 Right lane of 3 lanes closed until 5:30 A.M.

1 Right lane closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 32 - Post Avenue (North Hempstead) and Exit 33 - Wantagh State Parkway (North Hempstead) 1 Right lane of 3 lanes closed Until 3 PM

1 Right lane closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 32 - Post Avenue (North Hempstead) and Exit 33 - Wantagh State Parkway (North Hempstead) 1 Right lane of 3 lanes closed Until 3 PM

1 Right lane closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 44 - Sagtikos State Parkway (Smithtown) and Exit 45 - Sunken Meadow Parkway (Smithtown) 1 Left lane of 3 lanes closed until 3:00 P.M.

1 Left lane closed

CONSTRUCTION eastbound

Overnight roadwork on Northern State Parkway

Overnight roadwork on Northern State Parkway eastbound at Exit 30 - I U Willets Road (North Hempstead), Friday April 24th, 2026 thru Saturday April 25th, 2026, 11:00 PM thru 04:00 AM 2 Right lanes of 4 lanes closed

No Data

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork on Northern State Parkway eastbound at Powells Lane (North Hempstead), Monday April 20th, 2026 thru Tuesday April 21st, 2026, Monday/Tuesday, 11:00 AM thru 02:00 PM 1 Right lane of 3 lanes closed

No Data

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound at Exit 29 - Roslyn Road (North Hempstead) 1 Left lane of 3 lanes closed until 12:00 P.M.

1 Left lane closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 27S-Shelter Rock Road (North Hempstead) and Exit 28S - Willis Avenue (North Hempstead) 2 Right lanes of 3 lanes closed Until 2 PM

2 Right lanes closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound between Exit 26N - New Hyde Park Road (North Hempstead) and Exit 25 - Lakeville Road; Marcus Avenue (North Hempstead) 1 Left lane of 3 lanes closed until 12:00 P.M.

1 Left lane closed

CONSTRUCTION both directions

Roadwork on Northern State Parkway

Roadwork on Northern State Parkway both directions at Exit 25 - Lakeville Road; Marcus Avenue (North Hempstead) 1 Left lane of 3 lanes closed until 3:00 A.M.

1 Left lane closed

CONSTRUCTION eastbound

Overnight roadwork, Milling, Utility work on Northern State Parkway

Milling and overnight roadwork and utility work on Northern State Parkway eastbound between Exit 33 - Wantagh State Parkway (North Hempstead) and Exit 36S - South Oyster Bay Road (Oyster Bay), Sunday April 12th, 2026 thru Thursday April 16th, 2026, Sunday/Monday/Tuesday/Wednesday, 10:00 PM thru 05:0

No Data

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 30 - I U Willets Road (North Hempstead) and Exit 31 - Glen Cove Road (North Hempstead) 2 Left lanes of 4 lanes closed until 4:00 A.M.

2 Left lanes closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound between Exit 38 - Sunnyside Boulevard (Oyster Bay) and Exit 37A - Long Island Expressway (Oyster Bay) 1 Left lane of 2 lanes closed until 2am

1 Left lane closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound at Exit 44 - Sagtikos State Parkway (Smithtown) 1 Right lane of 3 lanes closed until 2:00 P.M.

1 Right lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork on Northern State Parkway westbound at Exit 37 - Manetto Hill Road (Oyster Bay) 1 Right lane of 2 lanes closed until 5:00 A.M.

1 Right lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound at Exit 36N - South Oyster Bay Road (Oyster Bay) 1 Right lane of 2 lanes closed until 12:00 A.M.

1 Right lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound west of Exit 36S - South Oyster Bay Road (Oyster Bay) 1 Right lane of 3 lanes closed Until 3 PM

1 Right lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound between Exit 29 - Roslyn Road (North Hempstead) and Exit 25 - Lakeville Road; Marcus Avenue (North Hempstead) 1 Left lane of 3 lanes closed until 3:00 P.M.

1 Left lane closed

CONSTRUCTION westbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway westbound at Exit 42S - Deer Park Road; NY 231 (Huntington) right shoulder closed Until 2 PM

right shoulder closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound at Exit 33 - Wantagh State Parkway (North Hempstead) 1 Right lane of 3 lanes closed until 3:00 P.M.

1 Right lane closed

CONSTRUCTION eastbound

Roadwork on Northern State Parkway

Roadwork, roadwork on Northern State Parkway eastbound between Exit 36S - South Oyster Bay Road (Oyster Bay) and Exit 36B - NY 135 (Oyster Bay) 1 Left lane of 2 lanes closed until 3:00 A.M.

1 Left lane closed

CONSTRUCTION eastbound

Overnight roadwork on Northern State Parkway

Overnight roadwork on Northern State Parkway eastbound between Exit 36S - South Oyster Bay Road (Oyster Bay) and Exit 36A - NY 135 (Oyster Bay), Friday March 27th, 2026 thru Saturday March 28th, 2026, 11:00 PM thru 03:00 AM 1 Left lane of 3 lanes closed

No Data

CONSTRUCTION eastbound

Overnight roadwork on Northern State Parkway

Overnight roadwork on Northern State Parkway eastbound between Exit 36S - South Oyster Bay Road (Oyster Bay) and Exit 36A - NY 135 (Oyster Bay), Thursday March 26th, 2026 thru Friday March 27th, 2026, 11:00 PM thru 03:00 AM 1 Right lane of 3 lanes closed

No Data

Data from 511NY, updated Jun 21, 10:33 PM

Latest on Northern State Parkway 34 total

minor

Center Lane Crash Reported on Westbound Northern State Parkway in New Hyde Park

New Hyde Park · Jun 21, 2026

4h ago
minor

Right Lane Closed After Westbound Crash on Northern State Parkway in Nassau County

New Hyde Park · Jun 20, 2026

Jun 20, 5:26 PM
minor

Police Activity Closes Right Lane on Westbound Northern State Parkway in Nassau County

North Hempstead · Jun 18, 2026

Jun 18, 7:06 PM
minor

Right Shoulder Blocked After Minor Crash on Eastbound Northern State Parkway in Nassau County

North Hempstead · Jun 18, 2026

Jun 18, 4:22 PM
minor

Right Lane Blocked After Minor Westbound Crash on Northern State Parkway in Nassau County

Oyster Bay · Jun 18, 2026

Jun 18, 1:52 AM
minor

Right Shoulder Blocked by Disabled Vehicle on Northern State Parkway Eastbound in Suffolk County

Huntington · Jun 16, 2026

Jun 16, 2:44 PM
minor

Commercial Truck Stranded on Eastbound Northern State Parkway, Right Shoulder Blocked

North Hempstead · Jun 16, 2026

Jun 16, 7:34 AM
minor

Right Lane Closed After Eastbound Crash on Northern State Parkway in Nassau County

North Hempstead · Jun 15, 2026

Jun 15, 3:59 PM
View all 34 incidents on Northern State Parkway →

Accidents by Town

Town-specific breakouts for Northern State Parkway — every town where we've tracked three or more incidents.

View all 5 accidents on Northern State Parkway in Oyster Bay Open page → View all 3 accidents on Northern State Parkway in Huntington Open page → View all 2 accidents on Northern State Parkway in New Hyde Park Open page → View all 2 accidents on Northern State Parkway in Smithtown Open page →

Accident Statistics

34 Total Reports
3 Critical
0 Fatal

Dangerous Sections

  • 33 — Wantagh State Parkway interchange (six-to-four-lane drop)
  • 31 — Glen Cove Road / NY 25, Carle Place
  • 40 — NY 110, Melville
  • 44–45 — Sagtikos / Sunken Meadow cloverleaf, Commack
  • 46 — New Highway, Smithtown

Towns Along This Route

Frequently Asked Questions

Is there traffic on the Northern State Parkway right now?

Right now there are 38 active accidents, 95 construction zones, and 39 closures reported on the Northern State Parkway. This page shows live Northern State Parkway conditions and refreshes through the day — see the live incidents above for exact locations.

What happened on the Northern State Parkway today?

In the past 24 hours, 1 accident has been reported on the Northern State Parkway. The most recent crashes, the most dangerous exits, and live conditions are all on this page, updated through the day.

What happened on the Northern State Parkway today?

Check the Live Accident & Traffic Reports section above for the latest NSP incidents. Long Island Traffic ingests data from 511NY, NYS Police Troop L, NCPD, SCPD, the National Weather Service, and verified social media every 15 minutes; static-page coverage rebuilds every 4 hours. For the most recent 30-minute window, 511ny.org is the upstream source.

Does the Northern State Parkway allow trucks?

No. The Northern State Parkway bans all commercial vehicles, trucks, and buses — like every New York State parkway. The restriction is physically enforced by low stone-faced overpasses, several with clearances under 10 feet, that Robert Moses' designers built in the 1930s for passenger cars only. Trucks that ignore the signage routinely strike these bridges. Commercial traffic must use the Long Island Expressway (I-495) or Route 25 (Jericho Turnpike), which run parallel through Nassau County. The LIE was built later specifically to carry the truck traffic the parkways could not.

Why are there low bridges on the Northern State Parkway?

The parkway's overpasses date to the 1930s and were intentionally built low — many with clearances of roughly 9 to 11 feet — as part of Robert Moses' parkway aesthetic and to keep trucks and buses off the scenic road. The stone-faced bridges remain in place today and are struck periodically by box trucks, moving vans, and rental trucks whose drivers miss the 'No Commercial Vehicles' signage. A bridge strike typically closes lanes for structural inspection. Drivers of tall vehicles should route to the LIE (I-495) instead.

What is the speed limit on the Northern State Parkway?

The posted speed limit is 55 mph for the entire length of the Northern State Parkway. Because the road was engineered between the 1930s and 1960s with narrow lanes (often about 11 feet), short merge ramps, tight curves, and minimal shoulders, operating speeds above 55 mph are genuinely dangerous — a recurring factor in the corridor's serious crashes. New York State Police Troop L enforces the limit, and work-zone fines double under VTL §1180-c. The four-lane Suffolk section east of the Wantagh State Parkway (Exit 33) is especially unforgiving of high speed.

Where does the Northern State Parkway run?

The Northern State Parkway runs about 28.9 miles across the northern half of Long Island. Its western end is at the Queens–Nassau County line near Lake Success, where it continues into New York City as the Grand Central Parkway (and on to the RFK/Triborough Bridge). From there it heads east through central Nassau — Carle Place, Westbury, Plainview, and Woodbury — and into Suffolk County through Melville, Dix Hills, and Commack, ending at Veterans Memorial Highway (NY 347 / NY 454) in Hauppauge. Its numbered exits run from 25 to 46.

What are the most dangerous sections of the Northern State Parkway?

The highest-incident points are the Wantagh State Parkway interchange (Exit 33), where the parkway drops from six lanes to four; the Glen Cove Road / NY 25 area around Exit 31 in Carle Place; Exit 40 (NY 110) in Melville; the Sagtikos / Sunken Meadow cloverleaf at Exits 44–45 in Commack; and Exit 46 (New Highway) in Smithtown, where a Smithtown driver was killed in late May 2026 when his car split in half. The curved, tree-lined four-lane segments through Suffolk County produce frequent single-vehicle run-off-road crashes.

Who patrols the Northern State Parkway?

New York State Police Troop L has primary patrol and crash-investigation jurisdiction for the entire Northern State Parkway across both Nassau and Suffolk counties; serious crashes are handled by the Troop L Bureau of Criminal Investigation. The Nassau County Police Department and Suffolk County Police Department assist with traffic control at major incidents but are not the lead investigative agency on the parkway itself. To report information about a parkway crash, Troop L's Suffolk headquarters can be reached at (631) 756-3300.

How is the Northern State Parkway connected to the Long Island Expressway?

The Northern State Parkway and the Long Island Expressway run roughly parallel across Long Island and connect at several points. On the LIE, the dedicated Northern State Parkway interchange is the LIE's Exit 33 in the Woodbury/Old Westbury area; from the parkway's own numbering, it ties into the LIE at Exit 29A (Old Westbury) and Exit 37A (Woodbury). Because the parkway bans trucks, the LIE (I-495) was built later as the truck-capable east–west route and is the standard detour whenever the Northern State is closed.

What are the Grand Central, Northern State, and Wantagh Parkway interchanges?

The Northern State is the eastern continuation of the Grand Central Parkway: the two meet at the Queens–Nassau line near Lake Success with no break in the roadway. Heading east, the Meadowbrook State Parkway joins at Exit 31A and the Wantagh State Parkway at Exit 33 — both lead south toward Jones Beach. In Commack, the large cloverleaf at Exits 44–45 connects the Sagtikos State Parkway (south) and the Sunken Meadow State Parkway (north), linking the Northern State to both the South Shore and the Sunken Meadow / Kings Park area.

How many accidents happen on the Northern State Parkway each year?

The Northern State Parkway records on the order of 1,200–1,600 reported crashes per year across its Nassau and Suffolk segments, in line with NYSDOT Motor Vehicle Crash data ranges for comparable parkways. Its 1930s–1960s geometry — roughly 11-foot lanes, short ramps, and limited shoulders that predate modern AASHTO divided-highway standards — tends to produce higher injury severity per crash than newer expressways. Nassau segments see higher crash frequency from denser traffic; the four-lane Suffolk segments see higher severity from higher operating speeds.

Injured in a Northern State Parkway Accident?

Sources