CENTRALIA – The Illinois Department of Transportation is alerting motorists of bridge repairs and guardrail improvements on Walnut Hill Road at the Interstate 57 overpass between March Road and North Storment Lane in Marion County will require lane closures beginning, weather permitting, Monday, Oct. 23.

Throughout the project, one lane will always remain open. Temporary signals will control two-way traffic. Maximum width will be 10.5 feet throughout the duration of the lane closure.

Drivers are urged to reduce speed, be alert for changing conditions, obey all construction signage, consider alternate routes, and refrain from using mobile devices while approaching and traveling through the work zone.

The work is expected to be completed by late November.