Long Island Expressway (I-495) accidents in Brookhaven, NY

What our records show

The Long Island Expressway (I-495) runs through Brookhaven as one of the 66-mile primary expressways serving Suffolk County, carrying roughly 200,000 vehicles per day. The posted speed limit is 55 mph (50 mph in Queens). The route stretches from Queens Midtown Tunnel (Manhattan) to County Route 58 (CR 58), Calverton / Riverhead (Suffolk County), with Brookhaven sitting along that spine. Locally, drivers know it as LIE or L.I.E or LIE highway or L.I.E highway or The Expressway or Interstate 495 or I-495 or 495 or 495 highway or Route 495.

Our database has logged 10 incidents on Long Island Expressway within Brookhaven, including 3 major, 2 moderate cases. No fatalities have been recorded in the incidents we track for this stretch. The most recent report we published involved Left-Shoulder Crash Snarls I-495 Westbound in Suffolk County Amid Deadly Day on the LIE on June 30, 2026. On average, we've seen roughly 5.0 reported crashes per month on this stretch during the period covered by our archive.

Inside Brookhaven, Long Island Expressway intersects with or runs parallel to several other high-volume routes — LIE, Sunrise Highway, Montauk Highway — so many crashes on this corridor originate at exits and interchanges rather than along open stretches. That pattern matches what we see in the incident reports below, which cluster around entry and exit ramps feeding those surface streets.

Town context matters because accidents here don't unfold in isolation. Brookhaven is home to about 486,040 residents and falls under SCPD 5th Precinct. Serious injuries from Long Island Expressway crashes are typically triaged to Stony Brook University Hospital. Below you'll find every incident on this stretch we've covered, newest first.