Waltham, MA (April 11, 2026) – A multi-vehicle crash involving four cars caused injuries and traffic disruptions on Saturday afternoon, April 11, in Waltham.
The collision occurred on Interstate 495 northbound near Exit 43 around 3:51 p.m. Emergency units responded after reports of a four-vehicle crash with airbag deployment and blocked lanes.
At least one person was reported injured in the crash. Details on the number of injuries and the severity have not been released. Traffic lanes were blocked as crews worked to clear the scene and assist those involved.
The incident remains under review by authorities.
We are thinking of those injured as they recover.
Why Multi-Vehicle Highway Crashes Often Lead to Lane Closures
Crashes involving multiple vehicles on highways can quickly disrupt traffic flow, especially when lanes are blocked. High speeds and close following distances can increase the likelihood of chain-reaction collisions.
Airbag deployment often indicates a significant impact, which can result in injuries even when vehicles appear drivable afterward. Emergency responders typically focus first on checking for injuries and securing the roadway.
Highway incidents often require lane closures to allow safe cleanup and investigation. Drivers are advised to slow down and stay alert when approaching active crash scenes.
