Bheizar's Urban Shuttle
First introduced in the Speed episodes. Bheizar's Urban Shuttle, shortened to BUS, is a form of public transportation In Wer Torkei. They're a boat with wheels, so they can function at street level, and in the waters of the aqueduct highways system. They float down the series of aqueducts then roll back down to street level to let people off at their stop.
30mph/.5mpm/2,640ftpm = 264 ft per turn