Pedestrian Detection System Components

Pedestrian Signal System

Pedestrian signals are machines used at signalized crossings to inform pedestrians when it is secure to cross the path. With improved technology, this Accessible Pedestrian Signal System includes countdown timers into their framework that display the count of seconds remaining before the signal changes to "Don't Walk.

As cities strive to comply with the Americans with Disability Act (ADA), State and local governments focus on communication disabilities and give supporting aids and services when needed to communicate effectively with people who have disabilities. Companies providing this system, such as The EMTRAC Pedestrian app, are created as an auxiliary aid and service to allow people with vision, hearing, or speech disabilities to identify pedestrian signals and request crossing signals.

When you get nearer to an intersection where an APS is installed, one can notice within 6ft. -12ft. A push-button is a beeping sound arising from the push button. The sound is termed the "Locate Tone" and sounds once per second. It is meant to inform a visually impaired pedestrian of the push button. The volume is typically low and only heard within 6ft. -12ft. From the post, so it does not disturb the encircling people.

The device has a button arrow pointing towards the direction of the crosswalk, helping visually impaired pedestrians orient themself in the direction of the crosswalk. 

An Accessible Pedestrian Signal System can be programmed with custom messages with the details of the street names and crossed streets. When the pedestrian walk signal switches on, vibrates, and can also get custom walk message during the walk phase. 

  1. Mobile Device & App: We can install it in mobile devices providing secure communication with crossings through the firewall-protected data center. The app communicates through either touch or visual instructions, or verbal commands. It also modifies to diverse languages, articulations, and speech clarity. 
  2. Data Center: It provides a firewall-protected transfer point for transferring data within mobile devices and traffic controllers (if using NTCIP) or Priority Detectors. 
  3. Central Monitor Software: The system remotely displays a map with real-time crossing and vehicle movement, logs with complete activity data, and records any deviations in network-communication status. 
  4. Priority Detectors (optional): The system receives pedestrian-request signals and outputs this data to traffic controllers. The identical detectors are used for Transit Signal Priority (TSP), Emergency Vehicle Preemption (EVP), and bicycle detection. 

Many APS switches have an in-built microphone that includes ambient sound and enhances the volume level played by the button, which is over traffic noise.

Some of the features include:

  • Vibrating button during a walk
  • Support of button push 
  • The travel direction 
  • The standard locating tone during Don't Walk (and Clearance if desired)
  • Automatic adjustments of sounds as per ambient.
  • An elongated button to increase volume.
  • Individualistic ambient alignment setting for the locate tone that can fine adjustment for low ambient conditions.
  • Inbuilt False Walk Detection
  • Multiple Languages are available 
  • APS Connectivity Accessibility, with Independent Lab Testing- Temperature, Humidity.

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