Transition period

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As transition times in the are traffic engineering the time intervals between the green and the Rotzeiten a light signal system , respectively. Transitional periods are subdivided into yellow time and red yellow time.

Yellow time

Traffic lights yellow.svg

The yellow time refers to the time span between the end of the release time (green time) and the start of the blocking time ( red time ). The yellow time t G is usually indicated to the road user by a yellow signal ( transition signal ). The higher the speed of the traffic flows at the intersection approaches , the longer the transition period.

The following values ​​are specified in the guidelines for traffic light systems :

  • Transition time 3 s at 50 km / h
  • Transition time 4 s at 60 km / h
  • Transition time 5 s at 70 km / h

Red yellow time

Traffic lights red-yellow.svg

The red-yellow time denotes the time span between the end of the blocking time (red time) and the start of the release time (green time). The red-yellow time t RG is 1 second.

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  • H. Natzschka: Road construction, design and construction technology. BG Teubner Verlag, 1996, ISBN 3-519-05256-3 .