For further information, see NCHRP Web-only Document 117A, Accessible Pedestrian Signals: A Guide to Best Practice, available online. ...
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11B-705.1.2.7 Track crossings
Detectable warnings at track crossings shall be 36 inches (914 mm) in the direction of pedestrian travel and extend the full width of the circulation path....
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11B-705.1.2.6 Reflecting pools
When detectable warnings are provided at reflecting pools, it shall be 24 inches (610 mm) minimum and 36 inches (914 mm) maximum in width....
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Alertus Panic Buttons
Alertus Technologies offers an array of signaling appliances to serve a variety of applications....
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705.1.2 Dome Spacing
Truncated domes in a detectable warning surface shall have a center-to-center spacing of 1.6 inches (41 mm) minimum and 2.4 inches (61 mm) maximum, and a base-to-base spacing of 0.65 inch...
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705.1.2 Dome Spacing
Truncated domes in a detectable warning surface shall have a center-to-center spacing of 1.6 inches (41 mm) minimum and 2.4 inches (61 mm) maximum, and a base-to-base spacing of 0.65 inch...
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Implementation Challenges for Interiors (slides 16 and 17)
Items that we can work on in the ADA [include]: Detectable warnings....
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705.1.1 Dome Size
Truncated domes in a detectable warning surface shall have a base diameter of 0.9 inch (23 mm) minimum and 1.4 inches (36 mm) maximum, a top diameter of 50 percent of the base diameter minimum...
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705.1.1 Dome Size
Truncated domes in a detectable warning surface shall have a base diameter of 0.9 inch (23 mm) minimum and 1.4 inches (36 mm) maximum, a top diameter of 50 percent of the base diameter minimum...
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Issue 13: Stub poles
A signal pull box was already in the sidewalk area near the new stub pole location, so concrete work was minimized. Stub poles are commonly used in some jurisdictions. ...
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705.1.2 Dome Spacing
Truncated domes in a detectable warning surface shall have a center-to-center spacing of 1.6 inches (41 mm) minimum and 2.4 inches (61 mm) maximum, and a base-to-base spacing of 0.65 inch...
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705.1.1 Dome Size
Truncated domes in a detectable warning surface shall have a base diameter of 0.9 inch (23 mm) minimum and 1.4 inches (36 mm) maximum, a top diameter of 50 percent of the base diameter minimum...
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11B-502.8.2 Lettering
The additional sign shall clearly state in letters with a minimum height of 1 inch (25 mm) the following: "Unauthorized vehicles parked in designated accessible spaces not...
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11B-502.8.1 Size
The additional sign shall not be less than 17 inches (432 mm) wide by 22 inches (559 mm) high.
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11B-502.8 Additional signs
An additional sign shall be posted either; 1) in a conspicuous place at each entrance to an off-street parking facility or 2) immediately adjacent to on-site accessible parking and...
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Governmental Units Affected (R208 Detectable Warning Surfaces) (Section-by-Section Analysis)
Analysis) State and local transportation departments are divided into four groups for the purpose of evaluating the impacts of the requirement in the proposed guidelines for detectable warning...
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11B-303.5 Warning curbs
Abrupt changes in level exceeding 4 inches (102 mm) in a vertical dimension between walks, sidewalks or other pedestrian ways and adjacent surfaces or features shall be identified by warning...
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11B-303.5 Warning curbs
Abrupt changes in level exceeding 4 inches (102 mm) in a vertical dimension between walks, sidewalks or other pedestrian ways and adjacent surfaces or features shall be identified by warning...
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11B-303.5 Warning curbs
Abrupt changes in level exceeding 4 inches (102 mm) in a vertical dimension between walks, sidewalks or other pedestrian ways and adjacent surfaces or features shall be identified by warning...
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R305.2.1 Perpendicular Curb Ramps
On perpendicular curb ramps, detectable warning surfaces shall be placed as follows: 1....
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11B-705.1.2.2.2.1 One entrance/exit point
Where the turning space has one entrance/exit point other than the sloped ramp segments, detectable warnings shall be 36 inches (914 mm) deep, as measured perpendicular to the curb, and...
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11B-504.4 Tread surface
Changes in level, slopes exceeding 1:48, and detectable warnings shall not be permitted. Exception: Reserved....
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11B-802.1.1 Floor or ground surface
Changes in level, slopes exceeding 1:48, and detectable warnings shall not be permitted. Exception: Reserved....
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11B-809.8.4 Door signal devices
Every primary entrance to a residential dwelling unit with adaptable features shall be provided with a door buzzer, bell, chime or equivalent. The activating mechanism shall be...
