one.point.zero - Colin O'Brien's weblog

Spain implements heavy measures to reduce energy consumption. The population’s reaction is pretty much what you’d expect and explains why limits of this type are rarely implemented elsewhere.

Traffic lights in China with a countdown time display for green and red.

Copenhagen has implemented a green wave for cyclists where traffic lights are synchronised to prioritise the flow of bikes. The wave pattern is observable via small lights at the side of the cycle path (video here) on a similar setup in Odense.