Traffic On Highway 83 In Clintwood, Virginia In Back To Noramal After Motorists Had To Be Re-Routed This Morning For About Half An Hour Due To A Leak In A 100-Pound Propane Tank Being Transported In A Pickup Truck. A Virginia State Police Trooper Spotted The Gas Coming From The Tank, And Pulled Over The Truck. Hazmat Officials Responded To The Scene. A Preliminary Investigation Revealed A Safety Valve On The Regulator Of The Tank Has Come Loose. There Was No Explosion. One Commercial Structure Was Evacuated As A Safety Precaution.