Pavement LED strip traffic lights for smartphone users(theguardian.com)

3 pointsby mochtar9 jaar geleden1 comments

https://www.theguardian.com/technology/2017/feb/15/dutch-led-scheme-smartphone-traffic-lights-whatsapp

1 comments

woofyman9 jaar geleden

Even if you have the green light you still need to make sure cars are yielding to you.