Transportation

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A rubber safety screen falls away from a newly blasted rock at one of the many faces forming an 18-kilometer-long tunnel being built to divert traffic away from Sweden’s capital city. 

Officials will use design-build to cut 18 months and $35 million from earlier estimates.

The National Transportation Safety Board slammed Amtrak’s approach to safety management, charging that it spawned a host of deficiencies that led to the fatal 2016 derailment of a passenger train in Chester, Pa.

A new bridge connecting Portsmouth, N.H., and Kittery, Maine, features what engineers believe is the first-ever use of precast-concrete segmental towers on a vertical-lift bridge.

Long-awaited overhaul of the aging Newark-NYC rail corridor's century-old infrastructure, including the Hudson River tunnel, gets underway