Last fall when Cincinnati asked for ideas for what to do with its empty, 2.2-mile abandoned subway tunnel system, many Enquirer readers and social media commenters had the same response ...

What if Cincinnati's old subway tunnels became an underground ... including parking and an entrance. A project cost estimate wasn't included. An underground bathhouse by Platte Architecture ...

We wanted to know: What could repurposing Cincinnati's abandoned subway tunnels look like in the 21st century? The city's official call for ideas last fall resulted in 18 submissions that we ...

What should Cincinnati do with its unused subway tunnels ... like establishing ventilation and air quality, entrances and exits and more. Another team of designers that includes the University ...