Guardian Wave mounted to a pole with a Yellow 90 Degree Adapter and Universal Extension Bracket

What is an Accessible Pedestrian Signal (APS)?

  Introduction Accessible Pedestrian Signal or APS is a device that provides auditory, tactile, or visual information to assist pedestrians with visual or hearing impairments in crossing the street safely. APS are known by different names in different countries, some of those names include: Acoustic signals Audio-tactile signals Audible traffic…

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