This guidebook is the second part of a two-phase project focused on designing sidewalks and trails for access. It was created to provide planners, designers, and transportation...
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Designing Sidewalks and Trails for Access, Part II of II: Best Practices Design Guide
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Designing Sidewalks and Trails for Access, Part I of II: Review of Existing Guidelines and Practices
Sidewalks and trails serve as critical links in the transportation network by providing pedestrian access to commercial districts, schools, businesses, government offices, and...
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406.5 Location
Curb ramps and the flared sides of curb ramps shall be located so that they do not project into vehicular traffic lanes, parking spaces, or parking access aisles....
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Issue 1: APS volume
This can lead to neighborhood as well as user concerns, since excessive volume will mask other sounds that are important to pedestrians who are blind (such as the sound of traffic surges...
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Issue 12: Audible beaconing
pedestrians are not able to use the signal for directional information.14 Even with today’s newer technologies, audible beaconing (or a too-loud signal volume) from an APS at a ‘porkchop’ island...
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Issue 8: Rest-in-WALK (quiet time ok)
Issue 8: Rest-in-WALK (quiet time ok) In some locations, the pedestrian signals ‘rest-in-WALK’ and it may not be desirable to have the WALK indication repeat constantly during the...
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Issue 7: Repair/replacement (put it back right!)
Issue 7: Repair/replacement (put it back right!) An APS that was knocked down in a crash was reinstalled by workers who did not know how the device was supposed to function. After...
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Pushbutton locator tone
Pushbutton locator tone The pushbutton locator tone is a low-volume tick or tone that repeats constantly, at one-second intervals, during the flashing and steady DON’T WALK...
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Location
Location Pushbutton-integrated APS rely on relative proximity to the crossing location, not on difference in sounds, to clarify which street crossing is being signaled....
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11B-406.5.1 Location
Curb ramps and the flared sides of curb ramps shall be located so that they do not project into vehicular traffic lanes, parking spaces, or parking access aisles....
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11B-406.5.1 Location
Curb ramps and the flared sides of curb ramps shall be located so that they do not project into vehicular traffic lanes, parking spaces, or parking access aisles....
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11B-406.5.1 Location
Curb ramps and the flared sides of curb ramps shall be located so that they do not project into vehicular traffic lanes, parking spaces, or parking access aisles....
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Curb Ramps at Intersections
The Standards do not require crossings to be marked or address how they are to be marked, but public street crossings are addressed by the Manual on Uniform Traffic Control Devices (MUTCD...
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Audible WALK indications
Audible traffic signals: how useful are they? ITE Journal, 1988. 58, pps. 37-43. 7.Bentzen, B.L., Barlow, J.M., Franck, L. Speech messages for accessible pedestrian signals....
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Issue 10: Braille (right side up?)
Issue 10: Braille (right side up?) Where the APS device includes the street name in Braille, care must be taken to install the signs in the correct location and...
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Issue 2: Location relative to the crosswalk
If the pedestrian who is blind also encounters the median island and stops, there is no APS or pushbutton on the median to call a WALK to complete the second half of the crossing....
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3.5.2.1 Enforceable Accessible Parking Spaces
To be enforceable at accessible parking spaces, the ISA must comply with the Manual on Uniform Traffic Control Devices (MUTCD) section 2B.35, which requires the ISA to be displayed in blue...
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Vibrotactile WALK indications
Vibrotactile WALK indications Vibrotactile indications are transmitted by a vibrating plate or arrow on the housing of the pedestrian pushbutton. During WALK, the arrow or plate...
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Issue 15: Installation Errors Increase Risk
Issue 15: Installation Errors Increase Risk This account shows clearly why it’s critical for installers to understand how APS work and something about how pedestrians use them --...
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Issue 14: Inspection of contractor’s work - Beware of field changes!
Issue 14: Inspection of contractor’s work - Beware of field changes! Figure 18: APS and curb ramps that were not installed as designed. Figure 19: Another view of the...
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Issue 11: Good vibrations (vibrotactile indications)
Issue 11: Good vibrations (vibrotactile indications) APS device usability is compromised if the vibrotactile indicator doesn’t vibrate during the WALK. The vibrotactile indication...
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Designing Sidewalks and Trails for Access, Part I of II: Review of Existing Guidelines and Practices
Source: U.S. Department of Transportation / Beneficial Designs, Inc. Document: 184 pages (1.67 MB PDF) Publication Date: July 1999 Sidewalks and trails serve as critical...
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Issue 5: Tactile arrow (in line)
Even small misalignments can inadvertently direct a blind pedestrian outside the crosswalk area or into the parallel traffic. Remedy: The APS needs to be removed and reinstalled....
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406.6 Diagonal Curb Ramps
The bottom of diagonal curb ramps shall have a clear space 48 inches (1220 mm) minimum outside active traffic lanes of the roadway....
