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Audible Signals <br />in addition to the visual cues provided by signal <br />heads, audible signals provide guidance for vision - <br />impaired pedestrians. Different audible signals <br />should be used for different crossing directions to <br />inform the pedestrian which intersection leg has a <br />walk signal. Sounds should be activated by the <br />pedestrian push-button. <br />NO <br />TURN <br />ON RED <br />No Turn On Red <br />No Turn on Red restrictions prevent turns during <br />the red signal indication to reduce motor vehicle <br />conflicts with bicyclists and pedestrians using the <br />crosswalk. <br />Minimize Corner Radii <br />The size of a curb's radius can have a significant <br />impact on pedestrian comfort and safety. A smaller <br />curb radius provides more pedestrian area at the <br />corner, allows more flexibility in the placement of <br />curb ramps, results in a shorter crossing distance <br />and requires vehicles to slow more on the <br />intersection approach. During the design phase, the <br />chosen radius should be the smallest possible for <br />the circumstances. <br />Offset Crosswalk <br />Offset crosswalks use staggered pavement <br />markings and a median refuge island with a <br />diagonal pathway to direct pedestrians' attention <br />to oncoming traffic before crossing. <br />Traffic Signal Timing <br />Traffic lights must assume that pedestrians walk a <br />certain speed to calculate the time needed to cross <br />at a light, often 3.5 feet per second. However, <br />children may require more time to cross an <br />intersection than adults. Re -timing signals to 3.25 <br />or even 2.8 feet per second at crossings used by <br />large numbers of students and seniors can ensure <br />that everyone has time to cross the intersection <br />safely. <br />Safe Routes to School Infrastructure Glossary Page 16 <br />