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DEER PARK, Suffolk County, N.Y., Oct. 31, 2026 — A crash involving multiple vehicles left people injured on Friday afternoon, October 30, at the intersection of Commack Rd and Long Island Ave in Deer Park.
The crash was reported around 4:53 p.m. at the intersection, which sits in a commercial corridor of Deer Park. Emergency crews responded to find multiple vehicles involved and injuries reported at the scene.
The number of people hurt and the extent of their injuries have not been released. It is not yet known how many vehicles were involved beyond the report's description of "multiple," and no information on the vehicle types has been made public.
The cause of the crash has not been confirmed. No information about potential contributing factors, including speed or impairment, has been released by any agency. The incident remains under investigation, and further details are expected as they become available.
Our thoughts are with those who were injured, and we wish them a full recovery.
Intersection Crashes in New York
This multi-vehicle crash happened at Commack Rd and Long Island Ave in Deer Park, NY. Our New York intersections page covers intersection crashes across New York.
Frequently Asked Questions
How can drivers avoid getting caught in a multi-vehicle pile-up?
Keeping a safe following distance, slowing down in heavy traffic or poor visibility, and staying alert to sudden braking ahead can help drivers react in time and avoid chain-reaction crashes.
What should I do if I come upon a crash scene on the road?
Slow down well before reaching the scene, move over if possible, and watch for emergency responders, debris, or stopped vehicles. Avoid stopping in travel lanes unless directed to do so.
Why does following distance matter so much in multi-vehicle crashes?
A longer following distance gives drivers more time to brake or steer around a hazard, which can prevent one crash from triggering several more involving following vehicles.
