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Description At least one manufacturer offers the option of a handheld pushbutton that sends a message to the APS to call the pedestrian phase. It operates on a limited range radio frequency (such as a garage door opener or car door unlock device) within 100 feet. Additional information Manufacturer's information does not clarify how the device would differentiate between locations at the intersection or if using the device would place a pedestrian call for all crossings of the intersection. How used Pedestrians could place a pedestrian call as they approach the intersection, without having to travel to the pushbutton location. This would make it unnecessary to deviate from the travel path and may be particularly an advantage for wheelchair users. References Not mentioned in MUTCD, Draft Public Rights-of-Way Accessibility Guidelines or PROWAAC top 
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