R” Roadway Express truck. “Blinkin Winkin” School bus. “Blue Bird” a Marten Transport truck “Bob-tail” a semi-tractor operating without a trailer. “ Bulldog ” a Mack Tractor, noted for the bulldog hood ornament. “ Bullfrog ” An ABF truck “Bull Rack”/”Cattle Wagon” Livestock truck. “ Buster Brown ” a United Parcel