State Route 207 is a 31.23 miles (50.3 km) long north–south state highway

State highway

State highway, state road or state route can refer to one of three related concepts, two of them related to a state or provincial government in a country that is divided into states or provinces :#A...

 in the southern portion of the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Ohio

Ohio

Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

. The southern terminus of SR 207 is at a diamond interchange

Diamond interchange

A diamond interchange is a common type of road junction, used where a freeway crosses a minor road. The freeway itself is grade-separated from the minor road, one crossing the other over a bridge...

 with U.S. Route 23 (US 23) nearly 4 miles (6.4 km) north of Chillicothe

Chillicothe, Ohio

Chillicothe is a city in and the county seat of Ross County, Ohio, United States.Chillicothe was the first and third capital of Ohio and is located in southern Ohio along the Scioto River. The name comes from the Shawnee name Chalahgawtha, meaning "principal town", as it was a major settlement of...

. Its northern terminus is in Mount Sterling

Mount Sterling, Ohio

Mount Sterling is a village in Madison County, Ohio, United States. The population was 1,865 at the 2000 census. It is a part of the Columbus, Ohio Metropolitan Statistical Area....

, following a 0.33 mile (0.5310822 km) long concurrenty with US 62 and SR 3, at the intersection where they meet SR 56

Ohio State Route 56

State Route 56 is a west–east state highway in southern Ohio. Its western terminus is at SR 29 near Mutual, and its eastern terminus is at SR 682 in Athens.-Cities along route:* London* Mount Sterling* Circleville* Laurelville* South Bloomingville...

.

Route description

Along the way, SR 207 passes through northern Ross County

Ross County, Ohio

As of the census of 2000, there were 73,345 people, 27,136 households, and 19,185 families residing in the county. The population density was 106 people per square mile . There were 29,461 housing units at an average density of 43 per square mile...

, southwestern Pickaway County

Pickaway County, Ohio

As of the census of 2000, there were 52,727 people, 17,599 households, and 13,287 families residing in the county. The population density was 105 people per square mile . There were 18,596 housing units at an average density of 37 per square mile...

, northeastern Fayette County

Fayette County, Ohio

As of the census of 2000, there were 28,433 people, 11,054 households, and 7,837 families residing in the county. The population density was 70 people per square mile . There were 11,904 housing units at an average density of 29 per square mile...

 and extreme southeastern Madison County

Madison County, Ohio

As of the census of 2000, there were 40,213 people, 13,672 households, and 10,035 families residing in the county. The population density was 86 people per square mile . There were 14,399 housing units at an average density of 31 per square mile...

. There are no segments of this highway that are included within the National Highway System

National Highway System (United States)

The National Highway System is a network of strategic highways within the United States, including the Interstate Highway System and other roads serving major airports, ports, rail or truck terminals, railway stations, pipeline terminals and other strategic transport facilities.Individual states...

 (NHS). The NHS is a network of highways identified as being most important for the economy, mobility and defense of the nation.

History

SR 207 was assigned in 1962. Running along the majority of SR 207's present path, excepting the southernmost portion of the highway between US 23 and SR 104, along with the SR 104 concurrency, the designation replaced the entirety of what was SR 277 prior to that year. The change was necessitated by the coming of the Interstate Highway System to Ohio, which included construction of Interstate 277

Interstate 277 (Ohio)

Interstate 277 is a connector route linking Interstate 76 and Interstate 77 in Akron, Ohio. It was completed in 1970 and shares its entire length with U.S. Route 224.-Exit list:The entire route is in Akron, Summit County.-References:...

 in the Akron

Akron, Ohio

Akron , is the fifth largest city in the U.S. state of Ohio and the county seat of Summit County. It is located in the Great Lakes region approximately south of Lake Erie along the Little Cuyahoga River. As of the 2010 census, the city had a population of 199,110. The Akron Metropolitan...

 vicinity. Ohio follows a standard that no route number can be duplicated between different types of state highways, so SR 277 became SR 207.
By 2007, SR 207 was extended on the south end via a nearly 0.5 mile (0.80467 km) duplex with SR 104, and an all-new alignment running east from SR 104 across the Scioto River

Scioto River

The Scioto River is a river in central and southern Ohio more than 231 miles in length. It rises in Auglaize County in west central Ohio, flows through Columbus, Ohio, where it collects its largest tributary, the Olentangy River, and meets the Ohio River at Portsmouth...

 to a new interchange with the US 23 expressway in northern Ross County, north of Chillicothe.

Major intersections