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Often associated with elementary school children, crossing guards stop the flow of traffic so pedestrians may cross an intersection. Crossing guards are known by a variety of names, the most widely used in the United Kingdom, Ireland and Australia being "lollipop lady/man", a reference to the large signs used that resemble lollipops.
Traffic guards use a variety of equipment: [1] Signal flags. Signal hand sign; called stop/slow paddles in the United States, these are a sign that has 'stop' on one side and 'slow' or 'go' on the other side. Traffic vest. Helmet (or a hard hat); protecting the head from hazards.
These signs mark school zones (in which lower speed limits may be in place), student crossings, crossing guards or signals ahead. In the U.S. and Canada, pentagon-shaped signs are used in place of the usual diamond-shaped signs. The shape of the U.S. school zone resembles a one-room schoolhouse and is the only U.S. sign shaped this way. Some ...
Stop here for trail crossing (left) R1-6 In-street pedestrian crossing [a] [b] ... Stop sign ahead. W3-2 Yield sign ahead. CW3-2 Yield sign ahead. W3-3 Traffic light ...
Griswold got his start in 1923 with the invention of the "American Bobby," a traffic sign designed for placement in the middle of an intersection that would collapse if struck by a vehicle. Signs were nicknamed after London traffic control officers with its red and green lights visible in all directions. [2]
A sign warning motorists to yield to those crossing the crosswalk Marked crosswalks are usually placed at traffic intersections or crossroads, but are occasionally used at mid-block locations where pedestrian generators are present such as at transit stops, schools, retail, or housing destinations.
Mandatory signs are similar to European signs. They are circular with a red border, a white background and a black symbol. Stop sign and Yield sign are as European, except the word "Stop" is changed for "Pare" and the Yield sign has no letters; it is a red triangle with white centre. Information signs have many shapes and colours.
Almost all prohibitory signs use a red circle with a slash. Restrictive signs typically use a red circle, as in Europe. Some may be seated on a rectangular white background. The original MUTCD prohibitory and restrictive signs were text-only (i.e. NO LEFT TURN). [14] Some of these signs continue to be used in the US.