What Happened
A crash closed the left lane of westbound I-495 in Suffolk County on Tuesday, August 18, 2026. The incident is classified as minor in severity. No injuries have been confirmed in available reports, and no names of those involved have been released.
The lane closure affected the westbound left lane of the Long Island Expressway. No exact milepost, cross-street, or exit number was included in the initial incident record. The cause of the crash has not been reported.
Location & Road Context
I-495 is the busiest corridor on Long Island by incident volume. According to Long Island Traffic’s incident registry, this crash is one of 110 recorded incidents on the corridor in the past 30 days, and one of 387 recorded so far in 2026. The most recent prior fatal crash on this corridor occurred on August 11, 2026.
Tuesday’s left-lane closure came on a busy day for the corridor. Three other crashes on I-495 were recorded the same day, including a moderate-severity incident on the I-495 Lower Level and two additional minor crashes — one on I-495/Long Island Expressway and one on I-495. A separate moderate-severity crash on NY 110 was also logged in Suffolk County on August 18.
Broader Impact
Suffolk County has logged 787 recorded accidents in Long Island Traffic’s local incident database. Tuesday’s cluster of I-495 incidents added to a day of elevated activity on the westbound corridor during the August travel period.