TIL that the Accessible Pedestrian Signal sound that gets pedestrians' attention the most efficiently is a "rapid tick," which sounds like a machine gun.
https://www.kqed.org/news/11795009/why-do-some-crosswalks-make-a-machine-gun-sound
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1gpy9bk/til_that_the_accessible_pedestrian_signal_sound/
https://www.kqed.org/news/11795009/why-do-some-crosswalks-make-a-machine-gun-sound
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1gpy9bk/til_that_the_accessible_pedestrian_signal_sound/
Why Do Some Crosswalks Make a Machine Gun Sound?
That sound has an official name: the rapid tick. And it's the new standard for crosswalks in the United States.Olivia Allen-Price (KQED)
