Loading System for 30- to 60-ft Low-Floor Bus
An automatically-controlled, power-operated ramp system compliant to requirements defined in 49 CFR Part 38, Subpart B, §38.23c shall provide ingress and egress quickly, safely and comfortably, both in forward and rearward directions, for a passenger in a wheelchair from a level street or curb.
Default
Front Door Location of Loading System, Flip-Out Design Ramp with 6:1 Slope
The wheelchair loading system shall be located at the front door, with the ramp being of a simple hinged, flip-out type design being capable of deploying to the ground at a maximum 6:1 slope.
Alternative
Rear/Center Door Location of Loading System, Flip-Out Design Ramp with 4:1 Slope
The wheelchair loading system shall be located at the rear/center door, with the ramp being of a simple hinged, flip-out type design being capable of deploying to the ground at a maximum 4:1 slope.
Alternative
Front Door Location of Loading System, Flip-Out Design Ramp with 6:1 Slope
The wheelchair loading system shall be located at the rear door, with the ramp being a flip-out type design being capable of deploying to the ground at a maximum 6:1 slope.
Alternative
Rear/Center Door Location of Loading System, Flip-Out Design Ramp with 6:1 Slope
The wheelchair loading system shall be located at the rear/center door, with the ramp being a flip-out type design being capable of deploying to the ground at a maximum 6:1 slope.
Loading System for Level Boarding on a 45- to 60-ft Low-Floor BRT
For level-entry boarding in applications such as BRT, where the vertical transition from the vehicle floor and the boarding and alighting surface is no more than 3 in., a bridgeplate shall be used. Bridgeplates 30 in. or longer shall support a load of 600 lbs, placed at the centroid of the ramp or bridgeplate distributed over an area of 26 × 26 in., with a safety factor of at least 3, based on the ultimate strength of the material. Bridgeplates shorter than 30 in. shall support a load of 300 lbs. When deployed to boarding and alighting surface, the slope of the bridgeplate shall not exceed 6:1.
Alternative
Rear Door Location of Bridgeplate Loading System
The bridgeplate loading system shall be located at the rear/center door.
Wheelchair Accommodations
NOTE: Agency will approve acceptable securement system.
Default
Two Forward-Facing Wheelchair Securement Locations
Two forward-facing locations, as close to the wheelchair loading system as practical, shall provide parking space and securement system compliant with ADA requirements for a passenger in a wheelchair.
Alternative
Additional (Beyond Two) Number of Wheelchair Securement Locations
[Agency to specify quantity] forward-facing location(s), as close to the wheelchair loading system as practical, shall provide parking space and securement system compliant with ADA requirements for a passenger in a wheelchair.
Alternative
Non-Forward Facing
All passenger securement devices must be stowed off the floor and out of the way when not in use.
Maneuvering room inside the bus shall accommodate easy travel for a passenger in a wheelchair from the loading device and from the designated securement area. It shall be designed so that no portion of the wheelchair protrudes into the aisle of the bus when parked in the designated parking space(s). When the positions are fully utilized, an aisle space of no less than 20 in. shall be maintained. As a guide, no width dimension should be less than 34 in. Areas requiring 90-degree turns of wheelchairs should have a clearance arc dimension no less than 45 in., and in the parking area where 180-degree turns are expected, space should be clear in a full 60-in.-diameter circle. A vertical clearance of 12 in. above the floor surface should be provided on the outside of turning areas for wheelchair footrest.
SIGNAGE AND COMMUNICATION
Destination Signs
A destination sign system shall be furnished on the front, on the right side near the front door.
Alternative
Route sign on the rear of the vehicle.
Alternative
Street and Curb Side Route Sign
The sign located near the front door shall not block the driver’s critical horizontal line of sight. Display areas of destination signs shall be clearly visible in direct sunlight and/or at night. Parts shall be commercially available.
All signs shall be controlled via a single human-machine interface (HMI). In the absence of a single mobile data terminal (MDT), the HMI shall be conveniently located for the bus driver within reach of the seated driver.
Alternative
The sign shall not be located within reach of the seated driver.
The destination sign compartments shall meet the following minimum requirements:
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Compartments shall be designed to prevent condensation and entry of moisture and dirt.
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Compartments shall be designed to prevent fogging of both compartment window and glazing on unit itself.
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Access shall be provided to allow cleaning of inside compartment window and unit glazing.
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Front window shall have an exterior display area of no less than 8.5 in. high by 56 in. wide.
Alternative
No active defogging required.
Alternative
Run number sign.
Interior Displays
Provisions shall be made on the rear of the driver’s barrier or equipment box located on the wheel well for a frame to retain information such as routes and schedules.
Advertising media 11 in. high and 0.09 in. thick shall be retained near the juncture of the bus ceiling and sidewall. The retainers may be concave and shall support the media without adhesives. The media shall be illuminated by the interior light system.
Alternative
Next stop display.
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