At 11:34 AM Dorchester Central dispatched units for A Motor Vehicle Collision on BAYLY RD / GOVERNORS AVE in the Cambridge 1-2 Box Area. Rescue 1-1 arrived on location with 1 vehicle off the road on it's side and confirmed no entrapment (Pt self extricated). Officer of Rescue 1-1 (Chief 1-2) established command and held the assignment to units on location. PM101 transported 1 patient to University of Maryland Shore Medical Center at Dorchester priority 3. At 11:54 AM with the situation under control command was terminated and all units were placed in service without incident.