A gas main was struck during a construction project near the intersection of Wolfpit and Horseshoe roads in Wilton and police are advising drivers to avoid the area.
The main was struck around 8:30 a.m. and has been shut down.
Police officers and firefighters are at the scene and traffic was being alternated in each direction while crews work to make repairs. The road is open.
Traffic might be delayed in the area and police are advising drivers to seek alternate routes.