Getting your Trinity Audio player ready... MORGANTOWN, W.Va. — With a few dull thuds, the 1-ton bag of high-strength fabric tumbled from the wall of the mock subway tunnel and onto the floor. Then it ...

A giant inflatable plug that can be filled with 35,000 gallons of water at a moment’s notice could have prevented some of the flooding that crippled New York City’s transit in the wake of Sandy, ...

Scientists have successfully tested an unprecedented technology for containing flooding or dangerous gases in mass transit tunnels: a giant plug. Twenty years ago in Chicago, a small leak in an unused ...

Twenty years ago in Chicago, a small leak in an unused freight tunnel expanded beneath the Windy City and started a flood which eventually gushed through the entire tunnel system. A quarter-million ...