Preston 911 alerts the "Three House" of a possible crash near Mile Marker 29 on I-68, crews were already enroute to the previous call at the 30 mile marker, so Chief Spindler quickly advises E-320 to divert to this call. Upon arrival, the crew established the "29 Mile Marker Command" and made contact with the driver of the car who was standing beside his car, it was determined the he was uninjured and needed a towing service. Engine 320 was able to clear this scene very quickly.