School buses: Question School buses: Answers Are never equipped with ABS. Are only equipped with ABS if located in cold climates. May be equipped with ABS. Explanation Most commercial vehicles manufactured after 1998 or 1999 are required to be equipped with Anti-Lock Braking Systems (ABS). Many older buses are also equipped with ABS. This questions appears in the following tests: Arizona Bus Florida Bus Florida Bus Hawaii Bus Louisiana Bus Nebraska Bus Vermont Bus
