UPDATE: Roe Highway has been reopened after a truck rolled on the northbound lanes in Forrestfield this morning.

Roe Highway northbound has been closed at Berkshire Road overpass in Forrestfield after a truck rolled about 4.30 on Monday.

The prime mover is understood to have taken out a light pole and electrical wires as it crashed. The cause of the crash is unknown.

The driver managed to escape with minor injuries.

Traffic is heavy in the area and people are urged to seek alternative routes.