The NTSB said the collapse and deaths could have been avoided. The study revealed that the Key Bridge had a collapse risk level that was 30 times greater than the American Association of State Highway ...
In his first public comments since the National Transportation Safety Board (NTSB) reported that a critical vulnerability ...
A new report by the National Transportation Safety Board (NTSB) raises safety questions about dozens of bridges across the ...
A new report by the National Transportation Safety Board (NTSB) raises safety questions about dozens of bridges across the ...
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