Specifications include, but are not limited to: Technical specifications define requirements for heavy-duty transit buses. Buses shall have a minimum expected life of twelve (12) years or 500,000 miles, whichever comes first, and are intended for the widest possible spectrum of passengers, including children, adults, the elderly and people with disabilities. TS 5.1 Bus Length Bus length is determined as the measurement from bumper to bumper. • 30ft bus: 29 ft, 11 in. to 34ft, 11 in. TS 5.2 Bus Width (Transit Coach) 102 in. Width Bus Body width shall be between 96 in and 102 in. (+0, -1 in.). TS 5.3 Bus Height Maximum Overall Height Maximum overall height shall be 140 in., including all rigid, roof-mounted items such as A/C, exhaust, fuel system and cover, etc.