At 0420 hours, Sussex EOC alerted Station 85 for a commercial vehicle fire on Coastal Hwy in the area of Truitt Rd. 85-8 arrived to find a gasoline tanker with fire from the rear of the trailer. Engine-Tanker 85 arrived and deployed a 1 3/4 bumper line and extinguished same. Tanker 85 and Engine 85-5 assisted on scene. Coastal Hwy northbound was shut down for a brief period. Chief Hopkins commanded the incident. Units responding 85-8, Engine-Tanker 85-2, Engine 85-5, Tanker 85, A-85, DSP, DSFP.