How Copenhagen gave cyclists a green wave – traffic lights are synchronised so a rush-hour cyclist at 20km/h can catch green lights all the way
25
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US pedestrian deaths are soaring. Is it time to ban right turns on red lights?
76 votes -
One car per green: Why the lights on US freeway onramps can’t end traffic jams
26 votes -
Aarhus on Monday introduced Viking-style traffic lights at seventeen locations in the city
8 votes -
The LED traffic light and the danger of "but sometimes!"
7 votes