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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.
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.
Tow truck & support vehicle operators employing blue flashing lights must install and operate them in tandem with flashing amber lights, blue lights alone may not be used. The flashing blue lights may only be used when stopped. [32] Red and blue: police; and ‘other non-police law enforcement’ [a] in all provinces and territories.
“A yellow light warns that the light is changing from green to red,” the Georgia Department of Driver Services says, adding that drivers should “slow down and prepare to stop.”
Here are the official tips for Ohio drivers regarding flashing yellow arrows: 1. Pay attention! 2. Remember: The flashing yellow arrow will be used depending on time of day and traffic conditions.
The chequered red, yellow, white, and green flags are used identically to how they are used in auto racing. The yellow and red striped flag is used to indicate debris on the track. Other flags used include: A white flag with couped red cross, to indicate medical attention is required near the marshalling post.
When a vehicle traveling on a road with two-way traffic is preparing to turn at an intersection and the intersection does not have a protected turn across oncoming traffic, the yellow trap may occur when the vehicle preparing to turn is given an amber light, while at the same time, traffic on the same road moving in the opposite direction still has a green light.
Watercraft navigation lights must permit other vessels to determine the type and relative angle of a vessel, and thus decide if there is a danger of collision. In general, sailing vessels are required to carry a green light that shines from dead ahead to 2 points (22 + 1 ⁄ 2 °) abaft [note 1] the beam on the starboard side (the right side from the perspective of someone on board facing ...