Marydel Fire Co Engine 56-1 after returning from Station 72 In Sussex County came up on this MVC On Mahan Corner Road.Fire Lieutenant Bredin contacted the kent county fire board and advised them of the incident and then established Mahan Corner Rd Command.The scene was assesed by command and declared safe for the crew of Engine 56-1.Command requested Fire Police to Shut Down the Roadway for Firefighter Safety.Engine 56-1 crew Investigated and Command was Notified that the subject was still on scene and appeared intoxicated at this time Mahan Corner Road Command Requested the Delaware State Police to make a response.A-56 transported one to the local Trauma Center For evaluation.Mahan Corner Road Command Placed the Situation Under Control holding units on Scene for debris cleanup.DSP went on location and the scene was turned over to them.Command returned all units and terminated Command.