When are flashing red and yellow lights used to control some traffic intersections?
Flashing traffic lights are used when the control system is not functioning properly, or when there is very low level traffic (to the point that lights become unnecessary). ...
Asked in London
In which century where traffic lights used in London?
Traffic lights were used in London from the 20th century. The first traffic lights in London were installed in Piccadilly Circus (1926), Ludgate Circus (1930-1932), and even on the corner of Cornhill and Bishopsgate. ...
Who controls traffic lights?
No one really controlls the traffic lights. A computer system controls the traffic lights, and no humans are involved with controlling the traffic lights day in and day out. It is all automated these days. ...
What did came first the vehicles or the traffic lights?
Logically, unless there were reasons to control traffic, there would have been no reason to create or install traffic lights. Because "traffic" generally comprises vehicles (motorized or otherwise), the traffic was probably there prior to the lights. Certainly, there were mechanical traffic signals that preceded traffic lights, not to mention traffic officers who once stood at busy intersections to direct traffic on a regular basis. ...
Asked in Cars & Vehicles
Does flashing your headlights at a red traffic signal make it change to green?
No, Flashing your headlight's will have no effect on a traffic signal. The reason a traffic signal changes for emergency vehicles that have the lights flashing, is, they have a special transmitter that tells the light to change. This transmitter is connected to the emergency lights so it comes on when the lights are used. ...