Cincinnati-Transit.net
Contains details on transit, including bridges and major highways.
David Smith's Columbus Roads
Includes photographs, lane diagrams, and an opinion page.
Duck Creek Road
Overview of this and other area streets in Cincinnati which were altered to accommodate the construction of Interstate 71.
Ohio State Route 66 Internet Tour
A guide to this road following the western boundary.
Ohio Turnpike Commission
Official page. Includes Turnpike toll rates and construction information.
The Ohio Construction Information Association
OCIA services include research for anyone seeking data on the infrastructure, construction issues, multimodal transportation planning, and water and sewer issues.
The Ohio Regional Road Pages
Coverage of each region of the state including photographs, history, and links.