Forgotten Ohio tells the story of the city of Cincinnati s' 80 year old subway system
Built on the old canal beds , more than two miles of tunnels and three stations were constructed before the money ran out in 1927 and the project was abandoned .
Cincinnati Transit Page
Cincinnati Government Page
All Things Considered Story
The Cincinnati Subway: History of Rapid Transit [Book by Alan Singer]
Abandoned subway could save light rail plan [Cincinnati Enquirer]