Traffic-light Signalling and Operation

Traffic-light Signalling And Operation

The use of traffic lights to control the movement of traffic differs regionally and internationally in certain respects. This article describes some of these non-universal features. Note that the color phase commonly known as "yellow" is often referred to, especially in official usage, as "amber"; for consistency this article uses "yellow" throughout.

Read more about Traffic-light Signalling And Operation:  Flashing Beacons, See Also

Famous quotes containing the word operation:

    It is critical vision alone which can mitigate the unimpeded operation of the automatic.
    Marshall McLuhan (1911–1980)