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Retroreflective borders enhance the visibility of traffic signals <br />for aging and color-vision-impaired drivers, enabling them to <br />understand which signal indication is illuminated. Retroreflective <br />borders may also alert drivers to signalized intersections during <br />periods of power outages when the signals would otherwise be <br />dark and non–reflective signal heads and backplates would not <br />be visible. <br />Cost $ <br />Low Cost / Quick Build alternative available <br />LRSM ID S02 <br />SIGNALS <br />Increase <br />Attentiveness <br />and Awareness <br />SAFE SYSTEM HIERARCHY <br />Retroreflective <br />Tape on Signals <br />Tier 1 Tier 2 Tier 3 Tier 4 <br />A rectangular rapid flashing beacon (RRFB) is a pedestrian- <br />activated flashing light with additional signage to alert motorists <br />of a pedestrian crossing. An RRFB increases the visibility of <br />marked crosswalks and provides motorists a cue to slow down <br />and yield to pedestrians. <br />Cost $$ <br />LRSM ID NS22PB <br />PEDESTRIAN FACILITIES <br />Increase <br />Attentiveness <br />and Awareness <br />SAFE SYSTEM HIERARCHY <br />Rectangular Rapid <br />Flashing Beacon <br />Tier 1 Tier 2 Tier 3 Tier 4 <br />Rectangular Rapid Flashing Beacon Signals <br />Retroreflective Tape on Signals <br />37Kittitas County | Snoqualmie Pass Comprehensive Safety Plan | Appendix J: Countermeasures Toolbox