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A change is ahead in 1972 for the painted center lines on two-lane highways in Virginia and other states, and traffic engineers say the result will be increased safety for motorists.
J.P. Mills, Jr., traffic and safety engineer for the State Department of Highways, said today the change is outlined in a new manual on traffic control devices issued by the Federal Highway Administration as a requirement for states and localities.
Mills noted that while the unbroken lines designating no-passing zones on twolane roads have been yellow in the past, the color white has been used for the dashed lines where passing is permitted on these roads.
Under the new concept, the dashed center lines on two-lane roads also will be yellow.
On roads more than two lanes wide, the painted lines separating lanes for traffic moving in the same direction will be white.
This method will provide
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