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The American Association of State Highway Officials would publish the first national Manual and Specifications for the Manufacture, Display, and Erection of U.S. Standard Road Markers and Signs over two years later. In July 1934, Ohio's manual was expanded and renamed to the Manual of Standard Signs, Markers, and Pavement Marking.
The Manual on Uniform Traffic Control Devices for Streets and Highways (usually referred to as the Manual on Uniform Traffic Control Devices, abbreviated MUTCD) is a document issued by the Federal Highway Administration (FHWA) of the United States Department of Transportation (USDOT) to specify the standards by which traffic signs, road surface markings, and signals are designed, installed ...
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).
County roads in Ohio comprise 29,088 center line miles (46,813 km), making up 24% of the state's public roadways as of April 2015. [2] Ohio state law delegates the maintenance and designation of these county roads to the boards of commissioners and highway departments of its 88 counties. [3]
Enters Ohio via a bridge to Cincinnati from Kentucky; it is Kentucky maintained, however. In Ohio, US 25 was replaced by US 127, US 24, SR 25 , CR 25A, and I-75. US 27
In 1935 the Ohio General Assembly passed a law which added 5,000 miles of roads to the state highway system over a 12-month period. [7] [8] These roads were assigned route numbers in the 500s, 600s, and 700s. [9] In 1962 certain numbers were retired to accommodate numbers in the Interstate Highway System. [citation needed]
The Ohio Department of Transportation currently operates the seventh-largest highway system in the United States [33] and the sixth-largest interstate system measured by total lane-miles. [34] These highways support the fifth-greatest traffic volume by total vehicle miles, [ 35 ] the third-greatest value of commercial freight, and contain the ...
On May 19, 1953, Amended House Bill 243 created the Ohio Department of Highway Safety, consisting of the Ohio Bureau of Motor Vehicles and Ohio State Highway Patrol, effective October 2, 1953. [2] On September 24, 1992, the department was renamed the Ohio Department of Public Safety.