Traffic lights should talk to drivers

- exchange between car  and traffic light

- traffic- light should inform the driver, when its red, yellow, green and how long, so driver knows

  if he for instance can turn off the engine and when he can start it again

- mobilephones and gps shoul get a certain software

- traffic should get saver, fluider and the air better

www.welt.de/wissenschaft/innovation/article2430093/Intelligente-Ampeln-reden-mit-dem-Autofahrer.html