External Resources US DOT Federal Motor Carrier Safety Administration (FMCSA) Washington Department of Transportation More Transportation Resources Understanding Passenger Carrier Regulations - FMCSA Laws And Rules Passenger Transportation Companies Rules â WAC 480-30 Non-Profit Bus Rules â WAC 480-31 Non-Profit Bus Laws â RCW 81.66 Passenger Charter and Excursion Carrier Laws - RCW 81.70 Auto Transportation Company Laws â RCW 81.68 Regulated Passenger Transportation Industries: Auto-Transportation Charter and Excursion Commercial Ferries Non-profit Buses Rail Crew Carriers Safety Guide to Achieving Satisfactory Motor Carrier Safety Record