New Mexico-based Bobby Cleveland was issued an imminent hazard out-of-service order after he was involved in a crash in April in which he overturned his truck and tanker, which was loaded with 2,400 gallons of propane. The propane spilled across Interstate 40, causing the highway to close temporarily.

In the second imminent hazard out-of-service order issued to a driver this month, the Department of Transportation’s Federal Motor Carrier Safety Administration has shut down South Carolin...