The driver of an 18-wheeler is recovering tonight after he flipped is rig this morning. The accident happened just after 6 this morning on 183A in Cedar Park. Police say the truck was hauling fuel when it left the road... The driver was taken to St. David's Round Rock and was last listed in serious condition. The crash caused a large fuel spill on the road and police had to divert traffic for some time this morning to clean it up. No other people were hurt.