Overview
- Massachusetts State Police said a wrong-way driver struck a car on I-495 south near the Hunt Road overpass in Chelmsford.
- Investigators reported the wrong-way driver suffered life-threatening injuries.
- Police said at least one other victim was flown by medical helicopter to a hospital.
- MassDOT closed I-495 southbound at exit 88 and expects the shutdown to last several hours.
- Officials urged drivers to avoid the area and use alternate routes while crews clear debris and investigators process the scene.