Mascoutah Avenue was blocked in both directions and a woman was injured during a crash and rollover about 3:40 p.m. Tuesday.
A woman was taken by MedStar ambulance from the accident at Mascoutah Avenue and Wabash Avenue near Laderman Park in Belleville.
A blue Ford Escape was over on its side. A red Honda Civic had front end damage.
Belleville police and firefighters were handling the crash.