This Quebecois traffic signal only turns green if it detects someone driving within the speed limit
by Tom Fucoloro from on (#6BKQS)
Sometimes and idea comes along that is so simple you can't believe you haven't seen it before. This prototype traffic signal in Quebec is red by default, and it will only turn green if its radar detects an approaching vehicle that is traveling at or below the speed limit. Signal creator Kalitec calls the signal [...]