This sound is from Bus Sound Effects Soundboard

South Australia has age limit laws for buses with more than 13 seats. The basis for interior design of partybuses are usually lighting effects based on modern LED panels and lasers as well as specially designed, comfortable, most often leather chairs and a professional dance floor.
See also: Audio bus, Public transport bus service, Desegregation busing, Bus bunching, Peripheral Component Interconnect, and Speed (1994 film).