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Two-lane expressways where poles are the only physical barrier between opposing directions of travel always have yellow either side of the row of poles, and white is between the yellow striping and the poles. White is also used to denote passing allowed on other two-lane roads. Yellow indicates no passing is allowed.
A round, white Botts' dot, surrounded by excess adhesive Botts' dots on Interstate 280, near the Sand Hill Road exit, Menlo Park, California. Botts' dots (turtles in Washington and Oregon or buttons in Texas and other southern states) are round non-reflective ceramic [1] raised pavement markers.
A white retroreflective raised pavement marker (Stimsonite design) A blue raised pavement marker (for marking the location of fire hydrants) White markers — for lane markings or to mark the right pavement edge. Yellow or orange markers — These separate traffic moving in opposite directions, or mark the left pavement edge on one-way roadways.
White markers — for lane markings. When used on dual carriageways, motorways, or one-way roads, they may illuminate red on the reverse, to indicate drivers are traveling the wrong way. Yellow or amber markers — These are found next to the central reservation (US: median) on motorways and dual carriageways and, in the Republic of Ireland ...
11th edition of the MUTCD, published December 2023. In the United States, road signs are, for the most part, standardized by federal regulations, most notably in the Manual on Uniform Traffic Control Devices (MUTCD) and its companion volume the Standard Highway Signs (SHS).
Example of an original U.S. Route shield, with the state name of "Michigan" and route number of "27" displayed in the original block font. The original design of the shield was presented in the January 1927 edition of the Manual and Specifications for the Manufacture, Display, and Erection of U.S. Standard Road Markers and Signs, the precursor to the Manual on Uniform Traffic Control Devices ...
A rider in a bicycle diamond lane. In the United States and Canada, a diamond lane is a special lane on a street or highway that is reserved for specific types of traffic. These lanes are usually marked with white diamonds or lozenges, and hence their name. Diamond lanes are generally the right-most or left-most lane on the road.
See three-way junction 5-1-1 A transportation and traffic information telephone hotline in some regions of the United States and Canada that was initially designated for road weather information. A Access road See frontage road Advisory speed limit A speed recommendation by a governing body. All-way stop or four-way stop An intersection system where traffic approaching it from all directions ...