A dump truck rollover on the Exit 47 northbound entrance ramp of the Maine Turnpike in Westbrook has shut down the ramp and the highway’s northbound travel lane.

The Maine Turnpike Authority reports that the crash happened just before 12:50 p.m. when a dump truck and trailer rolled over on the ramp. Motorists are warned to expect delays and asked to use caution in the area, the authority said.