HAMPDEN, Maine — A vehicle crash was causing major traffic problems in both the northbound and southbound lanes of Interstate 95, a Maine State Police dispatcher said Tuesday evening.

The crash happened about 6 p.m. near Exit 180. Motorists were advised to avoid the area if possible for the next several hours, the dispatcher said shortly after 8 p.m.

Traffic was moving slowly as vehicles were detoured away from the northbound lanes, where the crash occurred, into southbound lanes.