The

Ohio Department of Transportation The Ohio Department of Transportation (ODOT; ) is the administrative department of the Ohio state government responsible for developing and maintaining all state and U.S. roadways outside of municipalities and all Interstates except the Ohio T ...

(ODOT) is responsible for the establishment and classification of a state highway network which includes interstate highways,

U.S. highways The United States Numbered Highway System (often called U.S. Routes or U.S. Highways) is an integrated network of roads and highways numbered within a nationwide grid in the contiguous United States. As the designation and numbering of these h ...

, and state routes. As with other states, U.S. and Interstate highways are classified as state routes in Ohio. There are no state routes which duplicate an existing U.S. or Interstate highway in Ohio. Ohio distinguishes between "state routes", which are all the routes on ODOT's system, and "state highways", which are the roads on the state route system which ODOT maintains, i.e. those outside municipalities, with a special provision for Interstate Highways. Besides the state highway network, there are various

county A county is a geographic region of a country used for administrative or other purposes Chambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The term is derived from the Old French ...

and

township A township is a kind of human settlement or administrative subdivision, with its meaning varying in different countries. Although the term is occasionally associated with an urban area, that tends to be an exception to the rule. In Australia, C ...

road networks within the state.

History

The Ohio Inter-County Highways were created on June 9, 1911, with the passage of the McGuire Bill (Senate Bill 165, 79th Ohio General Assembly). Main Market Roads, the most important of the system, were defined on April 15, 1913. In 1923 the numbering system was simplified. It was altered further in 1927 in order to accommodate numbers in the

United States Numbered Highway System The United States Numbered Highway System (often called U.S. Routes or U.S. Highways) is an integrated network of roads and highways numbered within a nationwide grid in the contiguous United States. As the designation and numbering of these h ...

. 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. These roads were assigned route numbers in the 500s, 600s, and 700s.Compare: * Last map published before the additions. * First map showing the additions. In 1962 certain numbers were retired to accommodate numbers in the

Interstate Highway System The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, is a network of controlled-access highways that forms part of the National Highway System in the United States. T ...

Highway systems

By county

* Numbered highways in Lake County, Ohio * List of numbered highways in Meigs County, Ohio

City specific

* Roads in Akron * Roads in Cincinnati

References

External links

Ohio Department of TransportationOhio Highway Ends at State Ends
{{US state highways