The US Department of Homeland Security (DHS) has developed a ten-by-five-metre inflatable structure that could be quickly deployed to isolate sections of transit or rail tunnels in the event of ...

The MTA is testing a new inflatable plug intended to seal off subway tunnels during major disasters, several months after the system was crippled by historic flooding during Sandy. On Thursday, ...

After Hurricane Sandy decimated the subway system last year, officials pledged to install new devices to help halt the rising tides—including flood gates and, more ...

The Department of Homeland Security is working to develop a giant plug for a giant subway tunnel. via NewsFeed Contact us at letters@time.com ...