29 CFR 500.105 Department of Transportation Standards
1. Headlights: On the front, at least two headlamps, an equal number at each side, shall provide an upper and lower distribution of light
selected at the driver’s will.
2. Stoplights: On the rear, two stop lamps, one at each side; shall be actuated from application of the service brakes.
3. Taillights: On the rear, two tail lamps, one at each side.
4. Clearance lights: On the front, two amber clearance lamps, one at each side. Three amber identification lamps located at center. On
rear, two red clearance lamps, one at each side. Three red identification lamps located in the center.
5. Side markers: On each side, one amber side marker lamp at or near the front, one red side marker lamp at or near the rear.
6. Reflectors: On each side, one amber reflector located at or near the front and one red reflector at or near the rear. On the rear, two red
reflectors, one on each side.
7. Turn signals: On the front, two amber turn signals, one on each side; on the rear, two red turn signals, one on each side.
8. Service brake (foot): Shall be equipped with one application valve, which, when applied, operates all service brakes. It shall be
adequate to control the movement of, and to stop the vehicle.
9. Parking brake: Must be capable of holding the vehicle under any condition of loading on any grade despite exhaustion of any source of
energy or leakage of any kind.
10. and 11. Brake tubing, brake hose: Must be secured against chafing, kinking or other mechanical injury.
12. Connections: Must be free of leaks, constrictions or other devices.
13. Brake warning device: Equipped with either audible or visual warning signals to indicate any loss of air or lack of vacuum.
14. Protection from weather: Be equipped with a top at least 80 inches high above the floor and facilities for enclosing side and ends of
passenger-carrying compartment.
15. Floors: Substantially smooth floor, without protruding obstructions more than 2 inches high (except when necessary to secure seats
or other devices to the floor) and void of cracks and holes.
16. Sides: At least 60 inches high by attachment of side boards to the permanent body construction if necessary.
17. Seats: A seat shall be provided for each worker transported, and must be securely attached to the vehicle; not less than 16 inches,
nor more than 19 inches above the floor; at least 13 inches deep; equipped with back rests extending to a height of at least 36 inches
above the floor, with at least 24 inches between seats.
18. Exit: Adequate means of ingress and egress shall be provided on the rear or at the right side.
19. Gates/Doors: Designed to close the means of ingress and egress and shall be equipped with at least one latch or other fastening
device constructed so as to keep the gates or doors securely closed.
20. Emergency exit: Vehicles with permanently affixed roofs shall be equipped with at least one emergency exit; shall be in addition to the
exit provided above, and comply with the requirements of gates or doors.
21. Fire extinguisher: At least one fire extinguisher, properly mounted.
22. Fusee: At least one burning red fusee.
23. Flares, reflectors, lanterns: At least three flares, red electric lanterns, or red emergency reflectors.
24. Simultaneous flashing turn signals: A switch must be provided that will cause the two front and two rear turn signals to flash
simultaneously as a vehicular hazard traffic warning. This must be capable with the ignition of the vehicle turned on or off.
25. Tires: Shall have tread configuration on all parts of the tire which are in contact with the road surface. Cannot use re-grooved,
recapped, or retread tires on front wheels.
26. Wiring: Bare, loose, dangling, chafing, or poorly constructed wires prohibited.
27. Steering: All parts of steering mechanism, including wheel bearings, tie rods, king pins, and bushings, centered control assembly,
drag link, springs, shackles, etc., shall be maintained in safe operating conditions.
28. Horn: Must be capable of giving adequate and reliable warning signal.
29. Windshield wipers: At least two automatically operating blades, one on each side of the center line of the windshield.
30. Rear vision mirrors: Two required, one at each side firmly attached to the outside provided that only one shall be required which shall
be at the driver’s side on those vehicles so constructed that the driver has a view by the means of an interior mirror.
31. Fuel system: Cannot be located in or above passenger carrying portion. Shall be free of leaks, securely attached to the vehicle, and
shall have a properly fitted plug cap to cover its filling opening. Cannot project beyond overall width of vehicle, nor shall it be located
forward of the front axle of the power unit from which it is located.
32. Exhaust system: Shall discharge to the atmosphere at or within 6 inches forward of the rearmost part of the vehicle.
