Crash closes northbound Interstate 55 at Shiloh Road overpass

A motor vehicle crash on Interstate 55 at the Shiloh Road overpass has shut down northbound lanes, a traffic advisory said.

The advisory said traffic has been diverted to Route 51, causing major delays. Motorists were urged to expect significant slowdowns in the area.

The advisory asked drivers to be prepared for extended travel times on Route 51 and Hentz while authorities manage the scene.