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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.
The color of emergency vehicle lighting is blue. Vehicles using flashing blue lights and siren have right of way over all other vehicles. Only designated emergency/priority vehicles may use blue lights; this includes police, fire brigade, ambulance service and a few other, smaller services such as the blood bank and some lifeguard organizations.
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.
The railway signalling system used across the majority of the United Kingdom rail network uses lineside signals to control the movement and speed of trains. The modern-day system mostly uses two, three, and four aspect colour-light signals using track circuit – or axle counter – block signalling. [1][2] It is a development of the original ...
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 solid blue flag orders backmarkers to give way to faster cars In NASCAR and IndyCar, this flag orders backmarkers to give way to faster cars. A light blue flag, sometimes with a diagonal yellow, orange, or red stripe, informs a driver that a faster car is approaching and that the driver should move aside to allow one or more faster cars to ...
A junction for road vehicles and pedestrians controlled by traffic lights in the UK. The various vehicle and pedestrian movements are separated in either time or space for safety and efficiency. The normal function of traffic lights requires more than sight control and coordination to ensure that traffic and pedestrians move as smoothly, and ...
Yellow trap. The yellow trap is a type of road traffic situation that may arise at certain signalized intersections, involving straight-moving traffic conflicting with turning, crossing traffic, that has made an erroneous assumption that the conflict has been resolved, based on their received traffic signal. The name yellow trap originates from ...