From Wikipedia, the free encyclopedia
Traffeck lichts are seegnallin devices poseetioned at gate infaws, ganger crossins, an ither locations tae control flowes o traffeck.
The warld's erest traffeck licht wis a body o operatit gas licht instawed in Lunnon in December 1868. Hit flistit less nor a month efter hit wis erest uised, injurin hits polisman controller.
Traffeck lichts follae a weel-kent colour code whilk chynges the richt-o-wey accordit tae uisers wi a series o different lichts o green, lammer, an reid.
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