I-495 Aug 5 #394215: Left Lane Closed After…

Left Lane Closed After Moderate Crash on Westbound I-495 in Suffolk County. in deer park. August 5, 2026.

Updated Aug 5, 2026
MODERATE INCIDENT
1 Left lane closed lanes affected
westbound · Deer Park I-495
Road
I-495
Direction
westbound
Town
Deer Park
County
suffolk County
Reported
Updated
Source
511NY
Left Lane Closed After Moderate Crash on Westbound I-495 in Suffolk County
📍Reported incident location Open in Google Maps →

What Happened

A crash on the westbound Long Island Expressway (I-495) in Suffolk County closed the left lane on Wednesday, August 5, 2026. The incident has been classified as moderate in severity. No additional specifics — including the precise location along the corridor, the number of vehicles involved, the cause of the collision, or whether anyone was transported to a hospital — have been released by responding authorities as of this report.

The left lane of the westbound LIE was taken out of service following the collision, creating a bottleneck along a stretch of highway that carries tens of thousands of commuters and commercial vehicles daily. Suffolk County’s road network has recorded 724 accidents in Long Island Traffic’s local incident database, with I-495 alone accounting for 2,077 recorded incidents — underscoring how frequently this corridor demands the attention of emergency crews and road management personnel.

Location & Road Context

The Long Island Expressway (I-495) is the primary east-west spine of Long Island, running from the Queens–Nassau County line through Nassau and deep into Suffolk County before terminating near Riverhead. The westbound direction funnels heavy commuter volume toward New York City during morning and midday hours, making any left-lane closure a significant traffic event even when the underlying crash is moderate in scale.

Suffolk County’s I-495 corridor has seen a heavy cluster of incidents this week alone. In addition to Wednesday’s crash, Long Island Traffic’s database shows a moderate crash on I-495 on August 4, a minor crash on I-495 also on August 4, and multiple active construction zones flagged on the same roadway on August 4 and 5. The combination of active work zones and recurring crash activity along this stretch warrants heightened caution from westbound drivers.

Broader Impact

The back-to-back incident pattern on I-495 this week — including a major crash on the Southern State Parkway and a moderate crash involving a Suffolk police vehicle in Middle Island on August 4 — points to an elevated-risk period on Suffolk County roads during what is typically the height of summer travel season. Drivers navigating the westbound LIE should remain alert to merge patterns near any active lane restrictions and observe posted work zone speed limits, where applicable.


This is a developing story based on initial incident data. Long Island Traffic will update this report as additional details are released by the Suffolk County Police Department or other responding agencies.

Topics

I-495Deer ParkSuffolk CountySuffolk County accidentI-495 trafficI-495 accident todayDeer Park trafficDeer Park accidentLong Island accident todayLong Island traffic todayLong IslandNY

Frequently Asked Questions

Where did this crash happen?

The crash occurred on the westbound Long Island Expressway (I-495) in Suffolk County, Long Island. The left lane was closed as a result of the collision. A specific exit, milepost, or cross-street has not yet been released by authorities.

Who was involved in the I-495 crash on August 5, 2026?

No names, ages, or hometowns of those involved have been released as of this report. Police have not yet confirmed the number of vehicles or whether any injuries were sustained.

Was anyone injured in the westbound I-495 crash on August 5?

The incident is classified as moderate severity. Beyond that classification, no injury details have been confirmed by authorities.

How long was the left lane closed on I-495 after the August 5 crash?

The duration of the lane closure has not been specified in official records. Lane closures on I-495 following moderate crashes typically last anywhere from 30 minutes to several hours depending on investigation and clearance needs.

Has I-495 in Suffolk County had other recent crashes?

Yes. Long Island Traffic's incident database recorded a moderate crash on I-495 on August 4, 2026, just one day prior, as well as a minor crash on I-495 that same day. A major crash on the Southern State Parkway also occurred on August 4, 2026.

Disclaimer: Incident information on this page is compiled from public sources including police reports, traffic agencies, and news outlets. It is provided for informational purposes only and may not reflect the most current status of this incident. Do not rely on this information for legal, insurance, or emergency decisions. For emergencies, call 911.