Serious multi-vehicle crash shuts down Interstate 495 in Chelmsford

CHELMSFORD, MASS. (WHDH) - Interstate 495 in Chelmsford was closed in both directions Monday afternoon due to a multi-vehicle crash with serious injuries, officials said.

All travel lanes on the northbound side of the highway at Route 3 were temporarily closed. The highway has since been reopened.

All southbound lanes were blocked off to allow for a medical helicopter to land at the scene.

At least one person was flown to the hospital with serious injuries.

No additional details were immediately available.

(Copyright (c) 2018 Sunbeam Television. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)