At 21:54 hours, A-15 and Medic 2A were dispatched to an unknown medical problem in the 600 block Pulaski Highway. While returning from a Residential Fire assist Station 3,6,12 at Cobble Creek Curve the in Stonesthrow development, Engine 15-5 was directed to assist. Additional information was received and it was reported that a pedestrian was struck. On the upgrade, A-12, A-3, Trooper 4 and ALS-14 responded. Medic 2A arrived at 22:01 and 15-5 at 22:02 hours. CER was notified of a trauma code at 22:06 hours and was transported to CER via A-12 and Medic 2A. 15-5 cleared at 22:17 hours.