Authorities have cleared a two-car crash that blocked westbound Highway 37 at Lakeville Highway outside Petaluma on Wednesday morning, the CHP said.

Four people were injured in the 7:45 a.m. crash that blocked the intersection for about an hour, the CHP said. Two of the patients suffered minor injuries, CHP and emergency dispatching personnel said.

Three people were taken to area hospitals in the wake of the collision, including two who went to Petaluma Valley Hospital and one who was taken to Santa Rosa Memorial Hospital, authorities said.