Traffic Lights facts

While investigating facts about Traffic Lights Meaning and Traffic Lights Not Working, I found out little known, but curios details like:

Carmel, IN has replaced almost all of their traffic lights by roundabouts. This led to an estimated 40% decrease in all accidents and 90% in fatal ones, saving $180,000 because of lower maintenance cost and several thousands of gallons of gas per roundabout per year

how traffic lights work?

Street dogs in Russia use trains to commute between various locations, obey traffic lights, and avoid defecating in high traffic areas. The leader of a pack is the most intelligent (not strongest) and the packs intuit human psychology in many ways (e.g. deploying cutest dogs to beg).

White cameras at traffic lights?

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering when turning right at traffic lights. Here are 50 of the best facts about Traffic Lights Out and Traffic Lights Tartlet I managed to collect.

what to do at traffic lights in an automatic car?

Japan has blue traffic lights in some areas because historically the Japanese used the same word for green and blue.
LA was the first major city to sync all it's traffic lights, doing so in 2015 after initially promising to do so in 1984. The completed synchronization supposedly increased travel speed by 16 percent and reduced travel times by 12 percent.
There's a series of 70-foot-long concrete arrows that bisects the country longitudinally all the way from SF to NYC, all designed to direct aerial traffic. They are from the pre-digital age and were installed by the Federal government in 1924, coupled with light signals to guide the way.
Red and yellow cards in FIFA were introduced after a referee was stopped at a traffic light and thought "Yellow, take it easy; red: stop, you're off". They also helped to address the communication issues due to the various languages involved.
Even though Google's self-driving cats have logged over 700,000 miles, they have yet to overcome the navigational hurdles of snow, heavy rain, open parking lots, multilevel parking garages, construction zones, and when the sun is directly behind a traffic light.
The British Roundabout Appreciation Society, an organisation devoted to... appreciating roundabouts and acknowledging the fact that they're superior to "fascist, robotic traffic lights"
There are studies proving that red light cameras are admittedly pure profit, do nothing to cease traffic accidents, protect citizens, or allow safety.
Tipperary Hill, NY has a traffic light with the lights upside down - the historically Irish residents kept smashing the light that had "British" red above "Irish" green, so it was changed.
LED traffic lights have led to car crashes and deaths in the past, since they emit too little heat to melt snow & ice which block the lights
In Prague there's a street so narrow it has traffic lights for pedestrians. Once a German tourist got stuck and had to be soaped up in order to slide out.

traffic lights facts — What are the cameras at traffic lights?

Traffic Lights data charts

For your convenience take a look at Traffic Lights figures with stats and charts presented as graphic.

traffic lights fact data chart about Material Source (Alexa Site Info - dewcribing Reddit Traffic — Material Source (Alexa Site Info - dewcribing Reddit Traffic Ranks) located on bottom right of picture. Posted just to shed light on the current results of reddit redesign.

Why traffic lights are red?

You can easily fact check why traffic lights are important by examining the linked well-known sources.

There is a traffic light in Germany that has been red for 28 years

Drachten, a town in the Netherlands, where almost all traffic lights and signs have been removed in the town's centre in an effort to improve traffic safety, based on the theory that drivers pay more attention to their surroundings when they cannot rely on strict traffic rules. - source

Emergency and city transit vehicles have an infrared emitter to forcibly change traffic lights. - source

In 1995, Veteran Shawn Nelson walked into an unlocked Armory in San Diego and drove a 57-ton tank around for 23 minutes. He destroyed traffic lights, poles, and several vehicles, and almost toppled a bridge. He tried to cross the highway into oncoming traffic but got stuck on the median.

Yellow and red cards in football were invented in 1966 by Ken Aston, an English referee, who was frustrated due to the language barrier during the World Cup. Driving down Kensington High Street, he took a look at the traffic lights and found them a useful metaphor for caution and stopping play. - source

When traffic lights are out of order who has priority?

Frank Sinatra's death coincided with the west coast airing of the series finale of Seinfeld. With everybody indoors watching the episode, the ambulance carrying Sinatra was able to get to the hospital in 10 minutes due to the light traffic.

How traffic lights work uk?

The amount of time a traffic light stays yellow corresponds with the first digit of the speed limit. If the speed limit is 50 mph the yellow light will be 5 seconds long, 35 mph is 3.5 seconds, etc.

In 2005, Councillor Ann Reid of York arranged for all nine sets of traffic lights on her daughter Hannah's wedding route through York to be switched to green for the five-car convoy. As a result, the wedding party took only 10 minutes to pass through the city.

There are cities in Europe that got rid of traffic lights and they have less accidents

In Florida, the blue light on top of traffic lights turns on when the signal is red, letting law enforcement know from obscure angles if a light is red, thus being able to better catch red light runners.

The infamous Clinton Road in West Milford, NJ (a creepy stretch purported to be a haunted site for satanic rituals and where the real-life "Iceman" dumped several bodies) is also the location of the longest traffic light wait time in America, where drivers can wait for 5 minutes and 28 seconds.

When traffic lights are out who has priority?

The first traffic light was gas powered and installed in front of the Houses of Parliament in 1868. Within a month it exploded from a leak, killing the officer operating it. Traffic lights did not re-appear till over 40 years later when electric lights were invented

Until 1954, STOP signs featured black writing on a yellow background, but the invention of a red finish that resisted fading allowed for the standardization of the idea that "red means stop" across both traffic lights and signs.

In the UK, traffic lights turn from red to yellow to green, rather than straight from red to green.

A town in New York has an upside down traffic light because the Irish youth would not stand for the British red be on top of the Irish green.

How traffic lights are controlled?

Thimpu, the capital of Bhutan does not have traffic lights. Instead of traffic lights, the city takes pride in its traffic police that directs the oncoming traffic with their dance-like movement of their arms and hands.

Blue tits nest in the tree holes, buildings, boxes and traffic lights. Nest is cup-shaped and made of grass and moss. Female uses mint and lavender (strongly scented herbs) to disinfect the nest.

Not only that traffic lights have sensors to detect when you arrive at an intersection, but also that "dead red" laws allow cyclists to run red lights if the sensors fail to pick them up

July 9 Avenue in Buenos Aires is the world's widest street. One full city block in width, it has 14 lanes plus two parallel streets of two lanes each. All intersections have traffic lights and pedestrians need two or three green lights to cross the avenue.

The Dutch city of Groningen has traffic lights which give cyclists longer greens when it rains so they don't have to wait as long.

A traffic light in United States that is deliberately upside down - In 1920's the Irish community at Tipperary Hill, Syracuse didn't like that the "British" red appeared above the "Irish" green on the light and kept vandalizing it until New York State was convinced to keep it green over red.

It's a scooter's or motorcycle's insufficient mass of metal, not its weight, that keeps it from alerting a traffic light to its presence

The first non-electric, gas lit, traffic lights were installed in London in December 1868 but exploded in January 1869 due to a gas leak which injured (or killed) the policeman operating the light. The concept was abandoned until a safer alternative came along.

The first traffic light in the world was placed at the House of Commons in London in 1868. It blew up the next year.

About LED traffic pole signals. Not just a traffic light, but the entire pole it hangs from lights up.

There's a Scottish town that's so anti-Catholic (and so hates the colour green) that the local Subway is black and £17,000-worth of green traffic light bulbs were smashed in three years

A Florida man who said he wanted to "time travel" sped through a traffic light, crashing his Dodge Challenger through the front of Advanced Tax Services and out the backside. It was the weekend, so the business was empty; nobody was injured, including the "time traveler."

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