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In the UK, the first "white line" road markings appeared on a number of dangerous bends on the London-Folkestone road at Ashford, Kent, in 1914. In England, the idea of painting a center white line was first experimented with in 1921 in Sutton Coldfield, Birmingham.
June McCarroll (June 30, 1867 – March 30, 1954) is credited by the California Department of Transportation with the idea of delineating highways with a painted line to separate lanes of highway traffic, although this claim is disputed by the Federal Highway Administration [1] and the Michigan Department of Transportation [2] as two Michigan men painted centerlines before her. [3]
Stop line in Toyokawa, Aichi, Japan Give Way lines in the UK "Shark's teeth" yield lines (white isosceles triangles) as used in the US and many European countries. Stop and yield lines [1] are transverse road surface markings that inform drivers where they should stop or yield when approaching an intersection.
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.
Hines originated the concept of painting a line down the center of a road to separate traffic in opposing directions. [10] The idea came to him after watching a leaky milk wagon leave a trail down the street. [5] Painted center lines were first used in 1911 on River Road in Trenton, in Wayne County. [2]
Soon, more roadways will have technology that catches and fines drivers who cross the solid line in express lanes. You will be fined for crossing the solid white line on these Colorado roadways ...
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.
In the US, at the "theoretical gore point", a dotted white line becomes a wide solid white channelizing line and another wide solid white line angles off along the edge of the diverging road, forming an elongated white triangle in front of the gore. This as a "neutral area" with white chevron markings optionally added. [3]