400 miles is only 5-6 hours (or less) of driving. I’ve done these long-haul routes many, many times with quite a varied set of passengers and there was almost n

400 miles is only 5-6 hours (or less) of driving. I’ve done these long-haul routes many, many times with quite a varied set of passengers and there was almost never a bathroom break required. People use the bathroom when we stop for fuel.