A pedestrian crash closed Route 2 West in Colchester Tuesday night.
The state Department of Transportation said the highway is closed between exits 16 and 15.
The extent of injuries is unknown. The crash was reported just after 7:45 p.m. A LifeStar helicopter was called in.
The fire department responded to the scene and is advising drivers to avoid the area.
Get top local stories in Connecticut delivered to you every morning. Sign up for NBC Connecticut's News Headlines newsletter.
No additional information was immediately available.