At 11:33, Abingdon Fire was alerted to a single vehicle accident at the 13.8 mile marker in the southbound lane of Interstate 81. We were dispatched that the vehicle was on its top and possible entrapment. Upon arrival, Washington County Life Saving Crew had occupant out of the car and were rendering treatment. Traffic was reduced to one lane until the wrecker was able to remove the vehicle. Engine 201, Utility 207 and Command 210 responded along with units of the Washington County Life Saving Crew and VA State Police.