State Route 528 is 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 northeastern 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...

. Its southern terminus, also the southern terminus of State Route 168, is on State Route 88 at U.S. Route 422 in the village of Parkman, about 6½ miles south of Middlefield

Middlefield, Ohio

Middlefield is a village in Geauga County, Ohio, United States. The population was 2,233 at the 2000 census.-Geography:Middlefield is located at ....

, and its northern terminus is at U.S. Route 20 about 2 miles (3.2 km) north of Madison

Madison, Ohio

Madison is a village in Lake County, Ohio, in the United States. As of the 2000 census, the village population was 2,921.-Geography:Madison is located at .According to the United States Census Bureau, the village has a total area of , all of it land....

.

Major intersections

History

• 1938 – Original route certified; originally routed from Parkman to 4 miles (6.4 km) north of Montville.
• 1941 – Extended to North Madison along previous alignment of State Route 166.