U.S. Federal Route 27 runs north-south through Central Hamilton County. It runs from the Kentucky/Ohio State Line, in Cincinnati, to the Hamilton/Butler County Line, near Ross. U.S. Rt. 27 passes through the following towns in Hamilton County. Cincinnati Groesbeck Northgate Bevis Dunlap U.S. Rt. 27 is multi-plexed in Hamilton County. U.S. Rt. 52, at Cincinnati.