What Happened
A crash on westbound I-495 in Suffolk County closed the right lane on Tuesday, September 15, 2026, according to incident data logged in Long Island Traffic’s incident registry. The collision was rated moderate severity. No specific time of impact, mile marker, or exit number has been released by police or any official agency as of this report.
No vehicle types, number of vehicles involved, or collision mechanism have been confirmed. Names, ages, and hometowns of those involved have not been released. Injury details beyond the moderate severity classification are not yet available from an official source.
Location & Road Context
Interstate 495 — the Long Island Expressway — runs the length of Long Island and carries some of the region’s highest daily traffic volumes through Suffolk County. According to Long Island Traffic’s incident registry, this crash is one of 101 recorded incidents on the I-495 corridor in the past 30 days, and one of 480 recorded on the corridor so far in 2026.
The most recent prior fatal crash on I-495 was recorded August 26, 2026. Four other crashes were logged across Long Island on September 15 alone: two minor incidents on I-495 and a second stretch of I-495, a moderate crash on NY 24, and a moderate crash on the Southern State Parkway. Suffolk County has 975 recorded accidents in Long Island Traffic’s local incident database for 2026.