The term BUS STOP can be broken down into two crossword solutions: DEPOT (5 letters) and ESS (3 letters). A bus DEPOT is a place where buses are stored, serviced, and maintained. It is also a place where passengers can board and disembark from buses. ESS stands for Electronic Switching System, which is a type of telephone switching system used to route calls. This system is used in many bus stops to allow passengers to contact the bus company for information or assistance.