Wyoming Administrative Code
Agency 206 - Education, Dept. of
Sub-Agency 0002 - General Agency, Board or Commission Rules
Chapter 2 - RULES FOR MINIMUM STANDARDS FOR WYOMING STUDENT TRANSPORTATION VEHICLES
Section 2-4 - School Bus Body and Chassis Specifications
Current through September 21, 2024
(a) All emergency exit doors shall be accessible by a 12-inch minimum aisle. The aisle shall be unobstructed at all times. The track of a track seating system is exempt from this requirement.
(b) All Type A school buses shall be equipped with hydraulic brakes.
(c) School bus body exterior trim shall be black.
(d) The following applies to school bus doors:
(e) Type C school buses shall have three Group 31 maintenance-free batteries and Type D school buses shall have two 8D maintenance-free batteries.
(f) In addition to the fire extinguisher located in the driver's compartment, school buses with capacity greater than 56 passengers shall be equipped with a second fire extinguisher mounted in the rear of the bus and readily accessible to the driver and passengers.
(g) School buses shall have removable, moisture-proof and dust-proof first aid kits in a sealed metal box in an accessible place in the driver's compartment. They shall be mounted and identified as first aid kits. A first aid kit's location shall be marked.
(h) Each school bus shall have a removable and moisture-proof body fluid clean-up kit in a sealed metal box accessible to the driver.
(i) In addition to the emergency door and push-out rear window requirements of FMVSS 217, all school buses shall be equipped with emergency exits as follows for the indicated school bus capacities:
(j) All diesel fuel systems shall be equipped with a fuel heater or heated fuel-water separator.
(k) Floor insulation shall be treated, five-ply softwood plywood, nominal 5/8-inch thickness, and shall be equal to or exceed properties of the exterior-type, C-D Grade, as specified in the standard issued by U.S. Department of Commerce.
(l) The interior of the school bus shall be free of all unnecessary projections. All school buses shall be equipped with inner lining on ceilings and walls. If the ceiling is constructed with lap joints, the forward panel shall be lapped by rear panel and exposed edges shall be beaded, hemmed, flanged, or otherwise treated to minimize sharp edges. School buses may be equipped with an external storage compartment for tools or tire chains.
(m) Interior parcel racks may be provided above side windows within range from front seat to rear seat and be free of projections; shall have a padded perimeter at emergency exit doors; and may be tubular or solid bottom.
(n) School buses shall be equipped with two alternately flashing red warning lamps at the rear of the vehicle and two at the front of the vehicle. The alternately flashing red warning lamps shall be visible at five hundred (500) feet in normal sunlight.
(o) Four alternately flashing amber warning lamps shall be installed so that one is located near each alternately flashing red warning lamp, at the same level, but closer to the vertical centerline of the bus. The alternately flashing amber warning lamps shall be visible at five hundred (500) feet in normal sunlight.
(p) The background surrounding the alternately flashing warning lamps shall be black in color and extend outward approximately 3 inches.
(q) School buses shall not be equipped with hitch receivers or other equipment that enable towing.
(r) School buses shall not be equipped with flip seats.
(s) Dual rear tires shall be provided on all school buses.
(t) Sanders may not be installed on any school buses.
(u) Wheelhousing shall be equipped with molded fender extensions and rubber mud flaps.
(v) The driver's window, the first window on the left, the first window after the entrance door, and door windows shall be approved thermal-pane safety glass. The driver's window on Type A school buses may be the manufacturer's standard.
(w) Tinted and/or frost-free glazing may be installed in all doors or windows, consistent with federal and state regulations.
(x) The following specifications will apply to all school buses sold to school districts within Wyoming:
(y) The following minimum specifications will apply to the specific bus configurations sold to school districts within Wyoming:
Type A (I) |
Type A (II) |
Type C |
Type D |
Gross Vehicle Weight Rating (GVWR) of 12,300 lbs. |
Gross Vehicle Weight Rating (GVWR) of 14,500 lbs. or less |
Gross Vehicle Weight Rating (GVWR) of 21,500 lbs. or greater |
Rear Engine - diesel/CNG Cummins L9 300 hp @ 860 ft. lbs. torque or equivalent |
Engine - Gas - 6.0 L minimum |
Engine - Gas - 6.0 L minimum |
Engine - diesel Cummins ISB 6.7 L 250 hp @ 660 ft. lbs. torque or equivalent. Engine - gas/propane -Ford 7.3 L V8 minimum or equivalent |
Front Engine - diesel - Cummins ISB 6.7L 250 hp @ 660 ft. lbs. torque or equivalent |
Transmission - electronically controlled 4 speed (minimum) with manufacturer's auxiliary cooler |
Transmission - electronically controlled 4 speed (minimum) with manufacturer's auxiliary cooler |
Allison 3000 transmission or Equivalent. Gas/Propane Engine minimum - Ford 6R140 6-speed automatic or equivalent |
Allison 3000 transmission or equivalent |
Type A (I) |
Type A (II) |
Type C |
Type D |
Auxiliary power outlet (if applicable)- 12v power outlet |
Auxiliary power outlet (if applicable)- 12v power outlet |
Engine heater (diesel) -engine manufacturer's recommended block heater, factory installed - body plug on bumper |
Alternator - 270 Amp Minimum |
Hinged engine compartment hood |
Hinged engine compartment hood |
Tilt hood with noise suppression features |
Engine heater - engine manufacturer's recommended block heater, factory installed - body plug on bumper |
Auxiliary Fan - One 6" minimum mounted on the right windshield area |
Auxiliary Fan - One 6" minimum mounted on the right windshield area |
Air dryer - heated air dryer with spin-off replaceable cartridge |
Air dryer - heated air dryer with spin-off replaceable cartridge |
Automatic tire chains |
Automatic tire chains |
Hour meter - mounted in dash panel |
Hour meter - mounted in dash panel |
Interior parcel rack |
Interior parcel rack |
Rear suspension - airride |
Rear suspension - airride |
Second heated step |
Second heated step |
Auxiliary power outlet - 12v power outlet must be provided |
Auxiliary power outlet - 12v power outlet must be provided |
Tinted windows |
Tinted windows |
Auxiliary fans - two, 6" minimum - mounted on left and right windshield area |
Auxiliary fans - two, 6" minimum - mounted on left and right windshield area |
Specially Equipped Package (Must include full tracking and full cabin A/C) |
Specially Equipped Package (Must include full tracking and full cabin A/C) |
Specially Equipped Package (Must include full tracking and full cabin A/C) |
Specially Equipped Package (Must include full tracking and full cabin A/C) |
Type A (I) |
Type A (II) |
Type C |
Type D |
X |
X |
Alternator - 200 Amp Minimum |
Engine Brake/Exhaust/ Transmission Retarder |
X |
X |
Engine Brake/Exhaust Retarder |
45,000 BTU Auxiliary Heater (if applicable) |
X |
X |
45,000 BTU Auxiliary Heater (if applicable) |
Interior parcel rack |
X |
X |
Interior parcel rack |
Second heated step |
X |
X |
Second heated step |
Tinted windows |
X |
X |
Tinted windows |
Underbus storage |
X |
X |
Underbus storage |
Automatic tire chains |
X |
X |
Automatic tire chains |
X |