Crews battle an RV fire Friday night on the Exit 9 ramp between Route 460 and I-77 in Princeton. Dispatchers told us the call came in just before 10:00 p.m. Crews on scene told us the RV was hauling a BMW race car. The crew was headed to Virginia International Raceway for testing. That race car was not damaged, and was filled with 55 gallons of racing fuel at the time of the fire. The The RV caught fire on I-77, and the driver pulled off the road onto the exit. Crews were able to quickly put out the fire. No one was injured, and there isn’t any word on a possible cause at this time. The fire caused heavy traffic back-ups in the area. Stay with us on-air and online as updates become available.