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CENTEREACH, Suffolk County, N.Y., Nov. 6, 2026 — One person was hurt on Wednesday afternoon, November 4, in a three-vehicle chain-reaction crash on Mark Tree Road near 57th Street in Centereach, according to Suffolk County police.
Three vehicles, a 2012 Jeep, a 2020 Jeep and a 2013 Toyota sedan, were headed south in heavy, stop-and-go traffic on Mark Tree Road at around 4:35 p.m. when the Jeeps and the Toyota collided in sequence. The second vehicle struck the first from behind, and the third then struck the second.
The driver of the middle vehicle, the 2020 Jeep, was taken to Stony Brook University Hospital. That driver's injury was described as non-life-threatening. No other injuries were reported from the crash.
Suffolk County police are handling the investigation. No further details on the cause have been released.
We wish those injured a full recovery.
Intersection Crashes in New York
This multi-vehicle crash happened at Mark Tree Road and 57th Street in Centereach, NY. Our New York intersections page covers intersection crashes across New York.
Frequently Asked Questions
What usually causes multi-vehicle pile-ups like this one?
Chain-reaction crashes commonly happen when traffic suddenly slows or stops and a following driver cannot brake in time, striking the vehicle ahead and triggering a second or third impact.
Why do these chain-reaction crashes happen in heavy traffic?
Dense, stop-and-go traffic leaves little space between vehicles. A single hard brake can set off a domino effect if drivers behind are following too closely or are distracted.
What should I do if I come up on a crash scene on a busy road?
Slow down well before reaching the scene, turn on hazard lights, and leave extra following distance in case traffic stops again suddenly. Avoid stopping in a travel lane unless directed by responders.
Should I see a doctor after a rear-end collision even if I feel fine?
Yes. Injuries from a sudden stop, including neck and back strain, can take hours or days to show symptoms, so a medical check is recommended even without obvious injury.
