The inadequacy of existing safeguards to protect bridges and other infrastructure from ever-larger container ships was considered in a House hearing May 15, a day after the NTSB released its preliminary report on the collapse of the Francis Scott Key Bridge.

Officials have widened their investigations in search for accountability.

As bodies of two missing workers were recovered, Transportation Secretary Pete Buttigieg pledges a united effort to reopen the Port of Baltimore as soon as possible amid an NTSB full investigation.

City, PennDOT did not manage bridge maintenance properly, the board says.

Citing the 2022 Pittsburgh span failure, the National Transportation Safety Board says bridges made of uncoated weathering steel plate could face accelerated deterioration and potential collapse without immediate action.

An out-of-control Acura, which sped through an opening in the concrete barriers separating a work zone from highway travel lanes on Interstate-695, caused six worker fatalities.

As government pressure mounts on Norfolk Southern to conduct and pay for comprehensive area cleanup, Arcadis and AECOM have been hired to assist.

A major natural-gas leak forced Lawrence, Mass., residents to evacuate their homes early on Sept. 27.