02 Engineering judgment should determine the need for separate pedestrian signal heads (see Section 4D.03) and accessible pedestrian signals (see Section 4E.09). 17 Where median-mounted pedestrian signals and detectors are provided, the use of accessible pedestrian signals (see Sections 4E.09 through 4E.13) should be considered. 03 A pushbutton locator tone is a repeating sound that informs approaching pedestrians that a pushbutton to actuate pedestrian timing or receive additional information exists, and that enables pedestrians with visual disabilities to locate the pushbutton. This requirement shall not apply to traffic control signals or pedestrian hybrid beacons that are activated from a flashing or dark mode to a stop-and-go mode by pedestrian actuations. 07 Where two accessible pedestrian signals are separated by a distance of at least 10 feet, the audible walk indication shall be a percussive tone. 01 Technology that provides different sounds for each non-concurrent signal phase has frequently been found to provide ambiguous information. Because of this, tones are the preferred means of providing audible walk indications except where two accessible pedestrian signals on one corner are not separated by a distance of at least 10 feet. Traffic Signal Timing Manual: Chapter 5 - Office of RCW 46.61.060: Pedestrian control signalsPedestrians, personal 07 Section 4E.11 contains additional provisions regarding the volume and sound level of pushbutton locator tones. During the yellow change interval, the UPRAISED HAND (symbolizing DON'T WALK) signal indication may be displayed as either a flashing indication, a steady indication, or a flashing indication for an initial portion of the yellow change interval and a steady indication for the remainder of the interval. WebStiff joints and muscles can make it harder to check traffic. 10 If the pedestrian change interval is interrupted or shortened as a part of a transition into a preemption sequence (see Section 4E.06), the countdown pedestrian signal display should be discontinued and go dark immediately upon activation of the preemption transition. Furthermore, low traffic volumes might make it difficult for pedestrians who have visual disabilities to discern signal phase changes. Pedestrian control signals. WebPedestrian signal indicators consist of symbols displaying a person walking for "WALK" displayed in white, and a hand for "DON'T WALK" displayed in orange. The U.S. Access Board (www.access-board.gov) provides technical assistance for making pedestrian signal information available to persons with visual disabilities (see Page i for the address for the U.S. Access Board). 3. 06 Figure 4E-2 illustrates the pedestrian intervals and their possible relationships with associated vehicular signal phase intervals. Figure 4E-1 Typical Pedestrian Signal Indications. The displayed period of each flash shall be a minimum of 1/2 and a maximum of 2/3 of the total flash cycle.
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