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U.S. Department of Transportation
Triscallion_Black
Mobile Accessible Pedestrian Signal System (PED-SIG)
§Allows "Automated pedestrian call” from smart phones for visually impaired pedestrians
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§Communicates wirelessly with the traffic signal controller to obtain real-time SPAT information
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§Informs the visually impaired pedestrian as to when to cross and how to remain aligned with the crosswalk.
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1)This system allows an “automated pedestrian call” to be sent to the traffic controller from the smart phone of registered blind users, for example, after confirming the direction and orientation of the roadway that the pedestrian is intending to cross.
2)This system integrates information from roadside or intersection sensors, and new forms of data from wirelessly connected pedestrian-carried mobile devices.