At 16:35 hrs., Co.24 & Co.11 were dispatched for a MVA on Rt.194 at W. Frederick St. C24 arrived on scene to find two vehicle t-bone accident with one patient outside of the vehicle and established command. A247 arrived on scene and began patient care. E111 and RS24 arrived on scene and began to assist with patient care and clean-up of fluid. A248 arrived on scene and began patient care on a second patient. Command advised Frederick ECC that A248 had one patient for transport and was terminating command and units can go in service when ready. Unit were in service at 17:02 hrs.