Two fire crews, from Minsterley and Shrewsbury, were called to the A488 at Lea Cross, near Pontesbury, where a car had rolled onto its roof.
Police and the ambulance service also attended the crash, which happened at about 3.30pm on Thursday.
Shropshire Fire and Rescue Service said one casualty was freed from the car by firefighters using cutting equipment and small tools.
It is not known if they suffered any injuries.
Police warned drivers to avoid the area, saying there was gridlocked traffic as the road was blocked.
Two fire crews from Shrewsbury were also called to a crash on the A49 at Bayston Hill at 2.45pm.
A car collided with a road sign but no one was trapped in the vehicle.