Visit our Big Dig special report page for full coverage and photos of the tunnel collapse. The biggest factor in the collapse of Boston's Big Dig ceiling panel which killed a woman a year ago was ...

Federal investigators singled out a cause Tuesday for the collapse of tons of ceiling panels that crushed a motorist last year in Boston's problem-plagued Big Dig tunnel: the glue. The collapse could ...

The fatal Big Dig tunnel collapse in Boston could have been avoided if authorities had considered that the epoxy securing tons of ceiling panels could slowly pull away, federal investigators concluded ...

The National Transportation Safety Board’s hearing into the deadly 2006 ceiling collapse in a Boston Interstate 90 tunnel portal appears to be the catalyst for a flurry of related action. A state ...

Visit our Big Dig special report page for full coverage and photos of the tunnel collapse. "We filed all of the ICBO reports showing the correct use for each type of material," said Schartzman. ICBO ...

The fatal Big Dig tunnel ceiling collapse could have been avoided if designers and construction crews had considered the possibility that the epoxy securing tons of ceiling panels could slowly pull ...

WASHINGTON — The fatal Big Dig tunnel collapse in Boston could have been avoided if authorities had considered that the epoxy securing tons of ceiling panels could slowly pull away, federal ...

The company that designed the Big Dig tunnel ceiling that collapsed and killed a woman is protesting the findings of a federal probe that blamed it for failing to specify the proper epoxy for the ...

WASHINGTON — The fatal Big Dig tunnel collapse in Boston could have been avoided if authorities had considered that the epoxy securing tons of ceiling panels could slowly pull away, federal ...

A beleaguered epoxy supplier has called on the National Transportation Safety Board to correct several adverse findings regarding the July 10, 2006 Interstate 90 tunnel plenum collapse that killed a ...