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

What our records show

The Long Island Expressway (I-495) runs through Centereach 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 Centereach sitting along that spine. Locally, drivers know it as LIE or The Expressway or Interstate 495 or I-495.

Our database has logged 7 incidents on Long Island Expressway within Centereach, including 6 major cases. No fatalities have been recorded in the incidents we track for this stretch. The most recent report we published involved Centereach Man Indicted on Multiple Felonies for DWI Crash Into DOT Worker on April 22, 2026. On average, we've seen roughly 7.0 reported crashes per month on this stretch during the period covered by our archive.

Inside Centereach, Long Island Expressway intersects with or runs parallel to several other high-volume routes — Middle Country Road, Nicolls Road, Route 347 — 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. Centereach is home to about 31,000 residents . Below you'll find every incident on this stretch we've covered, newest first.