Overview
- The crash, which happened Tuesday night near mile marker 29 on I‑290 west, began when a wrong‑way driver struck multiple vehicles and a tractor‑trailer.
- Northborough officials said four cars and the tractor‑trailer sustained moderate to severe damage and the wrong‑way driver left the scene and was later identified.
- Reports differ on injuries but local officials said three people were taken to a nearby hospital with injuries not considered life‑threatening while one outlet reported a single injured person.
- Traffic congestion after the collisions forced emergency crews to park up the highway and walk to the scene, delaying vehicle access and prompting local review of response procedures.
- The Massachusetts State Police opened an active investigation and state transportation officials are accelerating plans to add thermal detection cameras and improved wrong‑way signage at high‑risk ramps.