Manual on uniform traffic control devices (MUTCD)
This Manual contains the basic principles that govern the design and use of traffic control devices for all streets, highways, bikeways, and private roads open to public travel regardless of type or class or the public agency, official, or owner having jurisdiction
eBook, English, 2009
2009 ed
U.S. Dept. of Transportation, Federal Highway Administration, [Washington, D.C.], 2009