Traffic Signs page

Doncaster School of Motoring
Motorcycle Training
Racecourse, Doncaster, South Yorkshire, England.

Purpose of Traffic Signs

Traffic signs are devices placed along, beside, or above a highway, roadway, pathway, or other route to guide, warn, and regulate the flow of traffic, including motor vehicles, bicycles, pedestrians, equestrians, and other travelers. Signs should only be placed only where warranted by facts and engineering studies. Signs should be placed as necessary for safety and proper regulation of traffic. However, the use of too many signs in a given location may reduce the effectiveness of all the signs at that location.

Standard Sign Shapes and Their Meanings

Traffic signs convey information to travelers through their shape, color, message, and placement.
here are some standard sign shapes and their respective meanings:

Octagon -- Exclusively for STOP signs
Equilateral Triangle, Point Down -- Exclusively for give way signs
Circle -- Commands
Diamond -- Used for warning signs
Rectangle, Longer Dimension Vertical -- Used for regulatory signs
Rectangle, Longer Dimension Horizontal -- Used for guide signs
Crossbuck -- Used for railroad crossing signs

Standard Sign Colors and Their Meanings

Traffic signs convey information to travelers through their shape, color, message, and placement.
Standard sign colors and their respective meanings:

Red -- Exclusively for STOP and YIELD signs, DO NOT ENTER and WRONG WAY signs.
Black -- Used as background for ONE WAY, speed limit, and as message color on signs with white, yellow, or orange backgrounds
White -- Used as background for route markers, guide signs, and certain regulatory signs, and as message color on signs with brown, green, blue, black, and red backgrounds
Orange -- Used as background color for construction and maintenance signs
Yellow -- Used as background color for warning signs (except construction and maintenance signs), and school signs
Brown -- Used as background color for guide and information signs related to points of recreational or cultural interest
Green -- Used as background color for guide signs and mileposts, and as a message color on permissive regulation and parking signs
Blue -- Used as background color for traveler services information signs

Road signs & markings

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