Columbia Road in Union Township, Warren County, Ohio

Columbia Road in Warren County is a two-lane local road. It runs in a north-south direction starting from Cincinnati Avenue and crosses Posey Hartman Drive, Glosser-Richardson Road, Turtlecreek Road, Heritage Hill Drive, Mill Road, McKinley Boulevard and Kingsview Drive and ends at Mason–Morrow–Millgrove Road. It connects Union Township, Lebanon and Turtlecreek Township. Columbia Road also exists in Mason and Deerfield Township.