Tunnel Mill Road in Webster Township, Hamilton County, Iowa

Tunnel Mill Road in Hamilton County is a concrete secondary road (also known as County Highway R27). It runs in a north-south direction and crosses 240th Street, 245th Street, 250th Street, 258th Street, 260th Street, 280th Street, Hammond Avenue, 290th Street, 297th Street, 301st Street, 305th Street and 310th Street. It ends in a cul-de-sac and connects Webster Township and Freedom Township. Tunnel Mill Road is also known as County Highway R27. This street is part of the highways R27 and Dragoon Trail as well as the Hiking trail "Dragoon Trail - Webster City to Stratford".