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Traffic lights normally consist of three signals, transmitting meaningful information to road users through colours and symbols, including arrows and bicycles. The regular traffic light colours are red, yellow (also known as amber), and green arranged vertically or horizontally in that order.
Flashing yellow arrow. [edit] Variations on the protected/permissive traffic signals in the United States; (1) is the "classic" doghouse five-light signal introduced in 1971; (2) and (3) incorporate flashing yellow arrows. In the US, a flashing yellow arrow is a signal phasing configuration for permissive left turns.
There are four colors (or traffic lights): [7] RED - personal for named recipients only; In the context of a meeting, for example, RED information is limited to those present at the meeting. The distribution of RED information will generally be via a defined list and in extreme circumstances may only be passed verbally or in person.
The history of traffic lights is associated with the historic growth of the automobile. [1] Traffic lights were first introduced in December 1868 on Parliament Square in London to reduce the need for police officers to control traffic. [2] Since then, electricity and computerised control has advanced traffic light technology and increased ...
Stop light party. A stop light party, stoplight party, traffic light party or traffic party is a party at which guests wear different colors indicating their relationship -seeking status. [1] While they may be held anytime, anywhere; they are commonly held around Valentine's Day and in areas around colleges and universities.
Emergency vehicle lighting, also known as simply emergency lighting or emergency lights, is a type of vehicle lighting used to visually announce a vehicle's presence to other road users. A sub-type of emergency vehicle equipment, emergency vehicle lighting is generally used by emergency vehicles and other authorized vehicles in a variety of ...
A stop sign is a traffic sign designed to notify drivers that they must come to a complete stop and make sure the intersection (or railroad crossing) is safely clear of vehicles and pedestrians before continuing past the sign. [1] In many countries, the sign is a red octagon with the word STOP, in either English, the national language of that ...
Food may be labelled with a traffic light label showing how much fat, saturated fats, sugar and salt are in that food by using the traffic light signals for high (red), medium (amber) and low (green) percentages for each of these ingredients. Foods with 'green' indicators are healthier and to be preferred over those with 'red' ones. [1]