The city of Cincinnati asked for ideas on what to do with the unused subway tunnels sitting dormant under Central Parkway – and some of the city's top design companies dreamed big. They ...

a subway tunnel system. By opening up the tunnels for guided historical tours, the company could educate visitors and locals alike on the history of the abandoned project. The conceptual plan also ...

CINCINNATI — In October, city officials asked a very crucial question that's been on many a Cincinnatian's mind over the years: What can we do with those abandoned subway tunnels? The council ...