State Route 7 is a major highway in the state of Ohio, running along the eastern border. It stretches approximately 150 miles from the city of Cincinnati in the south to the Ohio River in the north, providing vital access to various communities and attractions along the way. The route primarily serves as a connector between several towns and cities, including Marietta and Portsmouth. It is an important roadway for both local traffic and commercial transport, facilitating economic activity in the region while offering scenic views of the Ohio River and surrounding landscapes.