Long Island Roads — Traffic & Safety
In-depth guides for every major road on Long Island — accident history, dangerous exits, speed limits, and real-time conditions. 24 corridors, 557.47 highway miles covered.
Expressways 2 roads
Long Island Expressway
I-495Live 511NY crashes, closures and work zones on the Long Island Expressway (I-495) in Nassau and Suffolk, plus our 511 crash history by exit and hour and the federal fatal-crash record.
Seaford-Oyster Bay Expressway
NY 135Real-time accident reports, live traffic conditions, and the complete safety guide to the Seaford-Oyster Bay Expressway (NY Route 135) — Nassau County's only limited-access north-south freeway. Updated every 4 hours.
Parkways 11 roads
Bethpage State Parkway
NY 907E (unsigned reference route)Real-time accident reports, live conditions, and a complete safety guide to the Bethpage State Parkway — the short, truck-free Nassau County parkway linking the Southern State to Bethpage State Park and the Black Course.
Cross Island Parkway
NY 907F (unsigned reference route)Real-time accident reports, live conditions, and a complete safety guide to the Cross Island Parkway — the western gateway between Long Island and the Bronx via the Throgs Neck and Whitestone bridges.
Grand Central Parkway
GCPReal-time accident reports, live traffic conditions, and the complete safety guide to the Grand Central Parkway — the truck-free Queens parkway running from the RFK (Triborough) Bridge past LaGuardia to the Nassau border. Updated every 4 hours.
Meadowbrook State Parkway
NY 908EReal-time accident reports, live 511NY traffic conditions, and a complete safety guide to the Meadowbrook State Parkway — Nassau County's truck-restricted route to Jones Beach. Updated every 4 hours.
Northern State Parkway
NSPLive Northern State Parkway accidents, closures, and traffic conditions right now — plus every exit, the most dangerous interchanges, and a complete safety guide to the 29-mile NSP from the Grand Central Parkway to Hauppauge. Updated continuously from 511NY and NYS Police feeds.
Ocean Parkway
NY 909D (unsigned reference route)Real-time accident reports, live conditions, and a complete safety guide to Ocean Parkway — the truck-free, 15.6-mile Moses-era beach parkway across Jones Beach Island from Jones Beach to Captree State Park.
Robert Moses Causeway
NY 908J (unsigned reference route)Real-time accident reports, live traffic conditions, and a complete safety guide to the Robert Moses Causeway, the truck-restricted Suffolk County parkway crossing the Great South Bay to Fire Island. Updated every 4 hours.
Sagtikos State Parkway
NY 908K (unsigned reference route, southern half)Real-time accident reports, live traffic conditions, and a complete safety guide to the 5.14-mile Sagtikos State Parkway in Suffolk County. Updated every 4 hours.
Southern State Parkway
SSPTraffic conditions, accident reports, and safety information for the Southern State Parkway on Long Island — Nassau and Suffolk County's primary south shore corridor.
Sunken Meadow State Parkway
NY 908G (unsigned reference route; the Sagtikos–Sunken Meadow corridor)Real-time accident reports, live traffic conditions, and a complete safety guide to the nearly 9-mile Sunken Meadow State Parkway in Suffolk County. Updated every 4 hours.
Wantagh State Parkway
NY 908 (unsigned reference route)Real-time accident reports, live conditions, and a complete safety guide to the Wantagh State Parkway — Nassau County's truck-free beach parkway from the Northern State to Jones Beach.
Routes 7 roads
Jericho Turnpike
NY 25Real-time accident reports, live traffic conditions, and the most comprehensive safety guide to Jericho Turnpike (NY-25) — Long Island's commercial Main Street running from the Queens border through Nassau into Suffolk. Updated every 4 hours.
Nesconset Highway
NY 347Live 511NY crashes, closures and work zones, Long Island Traffic incident reports and the federal fatal-crash record for NY 347 (Nesconset Highway) in the Towns of Smithtown and Brookhaven.
New York State Route 110
NY 110Real-time accident reports, live traffic conditions, and the most comprehensive safety guide to NY Route 110 — the Amityville-to-Huntington commercial arterial through Farmingdale and the Melville office corridor. Updated every 4 hours.
Nicolls Road
CR 97Live 511NY conditions, Long Island Traffic incident reports and the federal fatal-crash record for Nicolls Road, Suffolk County Route 97, from Stony Brook through Holtsville and Holbrook.
North Shore Road (NY Route 25A)
NY 25AReal-time accident reports, live traffic conditions, and the most comprehensive safety guide to NY Route 25A — Long Island's scenic North Shore corridor from the Queens border through Great Neck, Huntington, Stony Brook, and Port Jefferson. Updated every 4 hours.
Route 112
NY 112Live 511NY crashes, closures and work zones, Long Island Traffic incident reports and the federal fatal-crash record for NY 112 through Coram, Medford and Patchogue in the Town of Brookhaven.
William Floyd Parkway
CR 46Live 511NY conditions, Long Island Traffic incident reports and the federal fatal-crash record for William Floyd Parkway, Suffolk County Route 46 in the Town of Brookhaven.
Boulevards 2 roads
Hempstead Turnpike
NY 24Real-time accident reports, live traffic conditions, and the most comprehensive safety guide to Hempstead Turnpike (NY Route 24) — long ranked the most dangerous road for pedestrians in the New York metro region. Updated every 4 hours.
Northern Boulevard
NY 25A (western section)Real-time accident reports, live traffic conditions, and the complete safety guide to Northern Boulevard (NY Route 25A) — the North Shore's commercial Main Street through Great Neck, Manhasset, Roslyn, and Greenvale in Nassau County.
Highways 2 roads
Montauk Highway
NY 27AReal-time accident reports, live traffic conditions, and the most comprehensive safety guide to Montauk Highway (NY 27A) — Long Island's 95-mile south-shore route from Amityville through the Hamptons to Montauk Point. Updated every 4 hours.
Sunrise Highway
NY 27Real-time accident reports, live traffic conditions, and the most comprehensive safety guide to Sunrise Highway (NY-27), Long Island's main South Shore arterial from Valley Stream to Montauk. Updated every 4 hours.
Deaths by road, 2010–2024: the federal record
From 2010 through 2024, 3,302 people died in crashes on public roads in Nassau and Suffolk counties, according to the federal Fatality Analysis Reporting System. The 21 corridors below account for 1,311 of those deaths (40%); the rest occurred on county, town and village roads.
These are counts of distinct fatal crashes recorded on each road. They are not adjusted for length or traffic volume, so they show where deaths occurred rather than which road is riskiest per mile driven. Queens sections of the expressways and parkways are not included. Sources, method and limits · Every record (CSV)
| Road | Fatal crashes | Deaths | Pedestrians | Motorcyclists | In darkness | Most deaths in |
|---|---|---|---|---|---|---|
| Sunrise Highway (NY 27 west of Shinnecock Hills) | 205 | 213 | 80 (38%) | 25 | 56% | Copiague (15) |
| New York Route 25 (Jericho Turnpike, Middle Country Road and Main Road) | 167 | 182 | 54 (30%) | 27 | 55% | Coram (16) |
| Southern State Parkway | 140 | 169 | 7 (4%) | 29 | 64% | North Valley Stream (18) |
| Long Island Expressway (I-495) | 110 | 120 | 24 (20%) | 15 | 62% | Melville (18) |
| Montauk Highway (NY 27A, County Routes 80 and 85, and NY 27 east of Shinnecock Hills) | 106 | 115 | 32 (28%) | 13 | 60% | Brookhaven (10) |
| New York Route 25A (Northern Boulevard and the North Shore road) | 81 | 85 | 21 (25%) | 10 | 40% | East Shoreham (8) |
| Hempstead Turnpike (NY 24 in Nassau County) | 59 | 65 | 34 (52%) | 5 | 68% | East Meadow (14) |
| Northern State Parkway | 51 | 60 | 2 (3%) | 5 | 49% | Old Westbury (7) |
| New York Route 110 (Broad Hollow Road and New York Avenue) | 51 | 51 | 35 (69%) | 1 | 73% | North Amityville (13) |
| Meadowbrook State Parkway | 33 | 42 | 5 (12%) | 6 | 52% | Uniondale (10) |
| William Floyd Parkway (County Route 46) | 37 | 39 | 13 (33%) | 0 | 57% | Shirley (27) |
| New York Route 347 (Nesconset Highway) | 36 | 36 | 15 (42%) | 1 | 69% | Lake Grove (6) |
| Wantagh State Parkway | 29 | 33 | 2 (6%) | 6 | 55% | Wantagh (7) |
| New York Route 112 | 30 | 30 | 14 (47%) | 5 | 63% | Coram (13) |
| Nicolls Road (County Route 97) | 16 | 18 | 5 (28%) | 1 | 44% | Stony Brook University (5) |
| Seaford-Oyster Bay Expressway | 14 | 14 | 2 (14%) | 3 | 57% | Plainview (4) |
| Sagtikos State Parkway | 13 | 14 | 1 (7%) | 0 | 54% | Baywood (7) |
| Sunken Meadow State Parkway | 9 | 9 | 1 (11%) | 1 | 67% | Commack (7) |
| Robert Moses Causeway | 8 | 8 | 0 (0%) | 3 | 38% | West Islip (4) |
| Ocean Parkway | 5 | 6 | 1 (17%) | 2 | 60% | Oak Beach (4) |
| Bethpage State Parkway | 2 | 2 | 1 (50%) | 0 | 100% | North Massapequa (1) |