At 08:33hrs units from Co.24 & Co.11 were dispatched for a vehicle accident at RT194 & Deer Run Dr. Duty 11 arrived on scene to find two vehicle T-bone collision with one patient still in the car and cars still in the roadway. E111 arrived on scene to block traffic. Duty 11 requested a second ambulance for a second patient. RS24 arrived on scene to assist with patient care and blocking traffic. A247 arrived on scene to start patient care. Both patients were transported to FMH. Units went in service as ready.