Sterling | CT | 1067 Plainfield Pike | VEHICLE ACCIDENT | Units o/s with a car vs dirtbike MVA w/ serious injuries. LIFESTAR enroute Units are on the scene of a car versus dirt bike accident. The rider is reported to be unhelmeted with serious injuries. LIFESTAR is responding to a modified landing zone at Plainfield Backus Hospital due to an extended, 30 minute, response time.