LEDs indicate when the trains aren't running

[CHamilton]

LEDS STRIPS TELL YOU THE TRAINS AREN’T RUNNING

[James] is a frequent user of the London Underground, a subway system that is not immune to breakdowns and delays. He wanted a way to easily tell if any of the trains were being disrupted, and thanks to some LEDs, he now has that information available at a glance without having to check a webpage first.

https://vimeo.com/127014091

Maybe we can hook this up to statusmaps.net.