Contains details on transit, including bridges and major highways.

Includes photographs, lane diagrams, and an opinion page.

Overview of this and other area streets in Cincinnati which were altered to accomodate the construction of Interstate 71.

Part of the Great Lakes Circle Tours.

Plan involving I-75 and other modes of transportation between the area north of Dayton and Northern Kentucky. Includes maps, FAQ, and feedback option.

Official website.

Features exit guides, a gallery, history, and commentary.

A guide to this road following the western boundary.

Official page. Includes Turnpike toll rates and construction information.

Coverage of the northeast region of the state, with a focus on Akron. Includes aerial photographs of features.

OCIA services include research for anyone seeking data on the infrastructure, construction issues, multimodal transportation planning, and water and sewer issues.

Coverage of each region of the state including photographs, history, and links.

Route log including former routings.