Roadway · Suffolk County

Nesconset Highway Traffic & Accidents

No crashes or closures reported 511NY feed as of 8:00 AM, Nov 12: 0 crashes, 0 closures, 0 active work zones on the Suffolk Nesconset Highway. Live details →

Today on the Nesconset Highway

511NY as of

No 511NY crash records on the Nesconset Highway in the last 24 hours as of 8:00 AM ET. 511NY rarely lists incidents on this road (4 crash records in the last 90 days), so an empty list here is not an all-clear.

511 records in 511's own wording, not verified crash counts (one collision can produce more than one record). "Still listed" = in the 511NY feed at the time above. All Long Island roads today

Key facts (as of )

  • Right now: 0 crashes, 0 closures, 0 active work zones on the Suffolk Nesconset Highway. Source: 511NY event feed (NYSDOT), feed as of Nov 12, 2026, 8:00 AM ET.

To cite: link this page and give the as-of time shown with the fact.

Nesconset Highway Right Now — Suffolk

Thursday, November 12, 8:00 AM: 0 crashes, 0 closures, 0 active work zones on the Suffolk Nesconset Highway. Source: 511NY (NYSDOT) event feed; this page is rebuilt through the day, so check the time above.

511NY lists no crashes, closures or active work zones on the Suffolk Nesconset Highway (511NY feed as of 8:00 AM, Nov 12).

Today's timeline — Suffolk

No 511NY crash or incident records on the Suffolk Nesconset Highway since midnight.

Scheduled work, not yet in effect (1)
  • on NY 347 · Westbound · 1 Left lane of 3 lanes closed — Monday November 9th, 2026 thru Friday November 13th, 2026, Monday thru Friday, 10:00 AM thru 02:00 PM

Live data: 511NY. "In effect" = still in the 511 feed at 8:00 AM and inside its posted schedule. Impact labels come from lane closures in the 511 record, not measured delay.

Latest Nesconset Highway analysis

Recent Nesconset Highway Reports

No full reports on this road yet. See all Long Island accidents.

Deaths on New York Route 347, 2010–2024: the federal record

The federal Fatality Analysis Reporting System records 36 deaths in 36 crashes on New York Route 347 (Nesconset Highway) in Nassau and Suffolk counties from 2010 through 2024. 15 of the dead (42%) were pedestrians. 69% of the crashes happened in darkness. These are distinct police-reported fatal crashes, not news reports, and they are separate from the incident tallies elsewhere on this page.

Fatal crashes
36
People killed
36
Pedestrians
15
Bicyclists
3
Motorcyclists
1
Vehicle occupants
17
Deaths on Nesconset Highway by year, Nassau and Suffolk counties
2’102’114’122’134’142’154’160’171’183’192’200’214’225’231’24
View the chart as a table
YearFatal crashesDeaths
201022
201122
201244
201322
201444
201522
201644
201700
201811
201933
202022
202100
202244
202355
202411

Where along the road

CommunityCrashesDeaths
Lake Grove66
Hauppauge66
Terryville66
Port Jefferson Station66
Nesconset55
East Setauket22
Smithtown22
Centereach11
Stony Brook11

Community = the 2020 Census place containing the crash coordinates.

When

  • Of 36 crashes with a recorded time: 23 between 8 p.m. and 6 a.m., 5 between 4 and 8 p.m., 6 between 10 a.m. and 4 p.m., 2 between 6 and 10 a.m.
  • 0 crashes killed more than one person.

Counts are not adjusted for traffic volume or length, so they show where deaths occurred, not which road is riskiest per mile driven. Crashes are matched to this road by the name police recorded; service roads are counted separately. 2024 is preliminary. Source: NHTSA FARS, retrieved 2026-09-17. Method · All records (CSV)

About Route 347 (Nesconset Highway)

NY 347, known as Nesconset Highway, is a New York state route in Suffolk County. Federal crash records place it in two towns, Brookhaven and Smithtown, and every one of the 22 fatal-crash records on it that names an owning agency lists the state highway agency (NHTSA FARS, 2010–2024). 511NY carries the road under the designation NY 347, so its crashes, closures and work zones appear in the live section at the top of this page.

Crossings in the federal record

Police-reported cross streets on FARS fatal crashes on NY 347 include Route 111 (3 crashes), Route 112, Hallock Road and Terry Road (2 each), and Nicolls Road (CR 97) (1), NHTSA FARS 2010–2024.

Where the federal record places its fatal crashes

All but one of the 36 FARS fatal crashes on NY 347 from 2010 through 2024 fall inside a 2020 Census place: 6 each in Lake Grove, Hauppauge, Terryville and Port Jefferson Station, 5 in Nesconset, 2 each in East Setauket and Smithtown, and 1 each in Centereach and Stony Brook. By town, 22 were in Brookhaven and 13 in Smithtown (NHTSA FARS, placed by the reported crash coordinates).

Pedestrians and darkness

Fifteen of the 36 people killed on NY 347 in the federal record were pedestrians (42%). Twenty-three of the 36 crashes happened between 8 p.m. and 6 a.m., and FARS records 69% of them as occurring in darkness (NHTSA FARS, 2010–2024). These are counts, not rates: they are not adjusted for traffic volume or road length.

What this page can and cannot show

  • Live 511NY conditions for the Suffolk section of NY 347, refreshed through the day.
  • 511 incident history. The 90-day 511NY history module appears once the road has at least 10 crash records in the window.
  • LIT incident reports. The reports list shows Long Island Traffic articles tagged to this road. Some Route 347 stories were published without a road tag and do not appear there yet; the recent coverage below links to them directly.
  • Federal fatal-crash record. NHTSA FARS, 2010–2024, matched to this road by the road name or route number police recorded. 2024 is preliminary.

Recent Editorial Coverage

Long Island Traffic reports on Route 347:

For every Long Island crash report, see /accidents/.

Towns Along This Route

⛽ Gas prices along this route: cheapest reported gas on Long Island

Frequently Asked Questions

Is there traffic on the Nesconset Highway right now?

511NY feed as of 8:00 AM, Nov 12: 0 crashes, 0 closures, 0 active work zones on the Suffolk Nesconset Highway. 1 more work zone is scheduled for later. See the live section at the top of this page for locations.

What happened on the Nesconset Highway today?

511NY has not carried any crash or incident on the Suffolk Nesconset Highway since midnight (511NY feed as of 8:00 AM, Nov 12).

Is Nesconset Highway the same as Route 347?

Yes. Federal crash records (NHTSA FARS) file Nesconset Highway under NY 347, and 511NY posts the road's incidents and work zones as NY 347. Of the 22 FARS fatal-crash records on the road that name an owning agency, all 22 list the state highway agency.

How many people have died in crashes on Route 347?

NHTSA's Fatality Analysis Reporting System records 36 deaths in 36 fatal crashes on NY 347 from 2010 through 2024. Fifteen of the people killed (42%) were pedestrians, three were bicyclists and one was a motorcyclist. FARS counts police-reported crashes in which someone died within 30 days; 2024 figures are preliminary.

When do fatal crashes happen on Route 347?

Mostly at night. Of the 36 FARS fatal crashes on NY 347 from 2010 through 2024, 23 happened between 8 p.m. and 6 a.m., 5 between 4 and 8 p.m., 6 between 10 a.m. and 4 p.m., and 2 between 6 and 10 a.m. FARS records 69% of them as happening in darkness.

Where along Route 347 do fatal crashes happen?

Of the FARS fatal crashes from 2010 through 2024 whose coordinates fall inside a 2020 Census place, 6 each were in Lake Grove, Hauppauge, Terryville and Port Jefferson Station, 5 in Nesconset, 2 each in East Setauket and Smithtown, and 1 each in Centereach and Stony Brook. By town, 22 were in Brookhaven and 13 in Smithtown. The counts are not adjusted for traffic volume or length.

Which roads cross Route 347 where fatal crashes have happened?

Police-reported cross streets on FARS fatal crashes on NY 347 from 2010 through 2024 include Route 111 (3 crashes), Route 112, Hallock Road and Terry Road (2 each), and Nicolls Road (1).

Roads That Connect to the Nesconset Highway

The Nesconset Highway interchanges directly with these Long Island highways and parkways. Check live conditions on a connecting corridor before you reroute.

Northern State Parkway NSP · Live accidents & traffic Jericho Turnpike NY 25 · Live accidents & traffic North Shore Road (NY Route 25A) NY 25A · Live accidents & traffic Route 112 NY 112 · Live accidents & traffic Nicolls Road CR 97 · Live accidents & traffic

Sources