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

What our records show

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

Our database has logged 2 incidents on Long Island Expressway within Holtsville, including 1 major, 1 moderate cases. No fatalities have been recorded in the incidents we track for this stretch. The most recent report we published involved East Setauket Man Pleads Guilty to Blinding Woman in Holtsville LIE Crash on May 20, 2026. On average, we've seen roughly 0.7 reported crashes per month on this stretch during the period covered by our archive.

Inside Holtsville, Long Island Expressway intersects with or runs parallel to several other high-volume routes — Nicolls Road, Waverly Avenue, Woodside Avenue — 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. Holtsville is home to about 19,000 residents . Below you'll find every incident on this stretch we've covered, newest first.