WEST MELBOURNE, Fla. — Large Inflatable Rubber Plugs have been in use in large-scale infrastructure projects since at least the early 1920’s, when they were used in large cities to isolate and empty ...

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 ...

Taller than a double-decker bus, the “Resilient Tunnel Plug” can stop future flood waters from destroying the subways. Its first installation is happening now. The Superstorm known as Sandy caused an ...

Huge inflatable plugs – now being developed by the federal government to protect subway tunnels from terrorist attacks – likely could have saved some of New York’s subway tunnels from storm-related ...

Coming to a subway tunnel near you: giant, inflatable bladders. The Metropolitan Transportation Authority is exploring using inflatable and expandable devices to seal subway tunnels and prevent the ...