Semi crash blocking Illinois Route 148 in Williamson County
A semi crash is blocking traffic on Illinois Route 148 near Ogden Road in Williamson County.
This is near the Crab Orchard National Wildlife Refuge.
Illinois State Police are diverting traffic off Illinois Route 148 at Grassy Road at the south end of the road and near the Crab Orchard National Wildlife Refuge Observation Towers on the north end.
Traffic is expected to be diverted for an extended period of time.
Drivers are encouraged to seek alternate routes.