At 18:30 hours dispatch alerted Co.13 and Sq 4 to the 15000 block of Stewartsville road for a reported vehicle accident. E-13(w/6) arrived to find 1 truck pulling a trailer (with car) involved, the truck had rolled on its side and separated from the trailer. R-13(w/6) arrived shortly behind the Engine, Engine and Rescue crews secured the vehicles, checked for hazards and began assisted the crew with patient care. Stewartsville road was shut down for 3 hours due to the truck was blocking the roadway and Va State Police was busy on multiple calls. Upon arrival of VaSP, wreckers removed vehicles and the roadway was reopened. Co.13 units cleared.