Update: I-495 is now open in both travel lanes.
Update: This article has been updated to include additional information regarding the crash.
WESTFORD — I-495 Northbound was closed between Route 119 and Boston Road due to a motor vehicle accident. The closure impacted the area between Exit 80 and Exit 83.
Westford Fire Department, Littleton Fire Department, Littleton Police Department and the Massachusetts State Police responded to a single-vehicle crash with “excessive damage” off of the side of the breakdown lane near the Concord Road overpass in Westford.
The highway was temporarily closed at approximately 1:21 p.m.
A medical helicopter was requested to the area, according to the Westford Fire Department. The patient was transported to an area hospital for treatment.
According to the Westford Fire Department, the occupant suffered serious injuries and was treated on site by paramedics.
The cause of the crash is under investigation by the Massachusetts State Police.
