Chirp sounder reception illustrated

Happy Mobility Monday! Have you ever encountered a chirping pedestrian signal? These are also known as cuckoo-chirp signals and were used as audible signals to inform pedestrians, particularly those who are blind and low vision, that the walk signal is on. However, these started to be phased out around 2009 due to confusion with real bird sounds! Nowadays it’s much more common to come across modern accessible pedestrian signals or APS. These include push button locator tones, audible and vibrota