Apta (Draft) Specification For: 30-ft, 35-ft, 40-ft, 45-ft, 60-foot (articulated) Transit Buses

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78.2Doorway lighting

Lamps at the front and rear passenger doorways shall comply with ADA requirements and shall activate only when the doors open. These lamps shall illuminate the street surface to a level of no less than 1 foot-candle for a distance of 3 ft outward from the outboard edge of the door threshold. The lights may be positioned above or below the lower daylight opening of the windows and shall be shielded to protect passengers’ eyes from glare.

78.3Turn signals


Standard turn signals

Turn-signal lights shall be provided on the front, rear, curb and street sides of the bus in accordance with FMVSS 108 and Part 393, Subpart B of the FMCSA as applicable.


Wrap-around front turn signals

Front turn signals shall be of wrap-around design or shall be designed to be visible from the front and the near side of the bus.


Roved headlamps shall be designed for replacement without removing the headlamp bezel.


Standard installation

Standard OEM headlight installation shall be provided in accordance with FMVSS 108 and Part 393, Subpart B of the FMCSA as applicable.


Daytime running lights

Headlamps shall incorporate a daytime running light feature.



Headlamps shall be LED/halogen, sealed beam.


Specify design life

[Headlamps design life to be specified in units of hours by the Agency.]

78.5Brake lights

Brake lights shall be provided in accordance with FMVSS 108 and Part 393, Subpart B of the FMCSA as applicable.


No high/center mount brake lamp or deceleration warning lamps

Bus shall not include a high/center mount brake lamp and/or deceleration warning indicator lamps.


High and center mount red brake lamp

Bus shall include red, high and center mount brake lamp(s) along the backside of the bus in addition to the lower brake lamps required under FMVSS 108. The high and center mount brake lamp(s) shall illuminate steady with brake application. [Agency to specify the size of the high and center mount brake lamp(s).]


High and center mount amber lamp

Bus shall include amber high and center mount lamp(s) along the backside of the bus that illuminate steady when the transmission is in forward mode and when the throttle is completely released (0 percent engagement). The amber lamps shall automatically extinguish, regardless of transmission and throttle condition, with brake application. Operation of the amber lamps shall be programmable with the multiplex system. [Agency to specify the size of the high and center mount, amber lamp(s).]

78.6License plate lighting

The rear license plate provision shall be illuminated per SAE J587.

78.7Service area lighting (interior and exterior)

LED lamps shall be provided in the engine and all other compartments where service may be required to generally illuminate the area for night emergency repairs or adjustments. These service areas shall include, but not be limited to, the engine compartment, the communication box, junction/apparatus panels and passenger door operator compartments. Lighting shall be adequate to light the space of the service areas to levels needed to complete typical emergency repairs and adjustments. The service area lamps shall be suitable for the environment in which they are mounted.

Engine compartment lamps shall be controlled by a switch mounted near the rear start controls. All other service area lamps shall be controlled by switches mounted on or convenient to the lamp assemblies. Power to the service area lighting shall be programmable. Power shall latch on with activation of the switch and shall be automatically discontinued (timed out) after 30 minutes to prevent damage caused by inadvertently leaving the service area lighting switch in the on position after repairs are made.


IP 79.General requirements

Materials shall be selected on the basis of maintenance, durability, appearance, safety, flammability and tactile qualities. Materials shall be strong enough to resist everyday abuse and be vandalism and corrosion resistant. Trim and attachment details shall be kept simple and unobtrusive. Interior trim shall be secured to avoid resonant vibrations under normal operational conditions.

Interior surfaces more than 10 in. below the lower edge of the side windows or windshield shall be shaped so that objects placed on them fall to the floor when the coach is parked on a level surface. Any components and other electrical components within close proximity to these surfaces shall also be resistant to this cleaning method.


No requirement for anti-graffiti/vandalism surface treatments

Requirements for additional anti-graffiti/vandalism treatments for interior surfaces

Internal surfaces, as possible, to be stainless steel or other resistant material

IP 80.Interior panels

Interior side trim panels and driver’s barrier shall be textured stainless steel, anodized or powder-coated aluminum, composite, scratch-resistant plastic, melamine-type material or carpeting. Panels shall be easily replaceable and tamper-resistant. They shall be reinforced, as necessary, to resist vandalism and other rigors of transit bus service. Individual trim panels and parts shall be interchangeable to the extent practicable.


Interior panel required to meet FMVSS 302

Fire resistance

Materials shall comply with the Recommended Fire Safety Practices defined in FTA Docket 90-A, dated October 20, 1993.

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