At 1130 hours, Station 15 was alerted to an MVC at the intersection of Wrangle Hill Rd and River Rd. A15 responded, followed by Rescue 15 under Captain MacKenzie. A15 initially requested a second BLS due to three patients. B15 responded as a second emergency in district was toned out. A15 then canceled B15 becuase the third patient refused service. B15 redirected to the Interfacility at Governor Bacon Health center along with Medic 2. Rescue 15 arrived at Wrangle Hill and River roads, requested fire police to direct traffic, and assisted A15's crew with Patient care. Scene was placed under control at 1141, with Rescue 15 staying available at the scene to help with traffic control while waiting on a tow truck. Units went available at 1221. Units responding: Rescue 15, A15, B15, 159B, 159D, 159E