Plan Notes (Design) 772 - Highway Traffic Signals
Date |
Description |
11.17.2015 | 772-P__ ACCESSIBLE PEDESTRIAN SIGNALS (APS) PUSHBUTTON AND SIGN: Shall include the features, installation procedures, and be compliant with the following:
- Features:
- Rapid tick WALK indication, no more than 2–5dBA above ambient sound
- Vibrotactile WALK indication
- Speaker and vibrotactile indication located at pushbutton
- Pushbutton locator tone
- Tactile arrow on each device aligned in direction of travel on the crosswalk
- Installation Procedures
- APS should be reachable from the level landing of the curb ramp for the crossing or from a level surface with an accessible path to the ramp (MUTCD Section 4E.08 and Proposed and Draft PROWAG).
- APS should be within 5 feet of the crosswalk line furthest from the center of the intersection and within 10 feet of the curb (MUTCD Section 4E.08).
- Tactile arrow shall be aligned with parallel to the direction of travel on the crosswalk (MUTCD Section 4E.12, P1).
- Pushbutton required to be located within reach range for wheelchair users (Proposed PROWAG, R406).
- Code Compliance:
- Functionality: MUTCD 2009 - 4E
- Temperature and Humidity: NEMA TS 2
- Transient Voltage Protection: NEMA TS 2
- Transient Suppression: IEC 61000-4-4, IEC 61000-4-5
- Electronic Noise: FCC Title 47, Part 15, Class A
- Mechanical Shock and Vibration: NEMA TS 2
- EN4 PBS Enclosure: NEMA 250 - Type 4X
- Electrical Reliability: NEMA TS 4
The cost for the accessible pedestrian signals pushbutton and sign shall not be bid separately but shall be included in the item "Interim Traffic Signals".
Note is for New/Reconstruction type projects, or any other project that alters the signal controller and software, or for any other project with installation of new signal system. |
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