Linghang, better known as the world’s largest-diameter high-speed railway shield tunneling machine, crossed the ...

The world’s largest boring machine that has sat mostly idle for about two years moved Tuesday morning. Bertha crept forward near Pier 48, before installing a tunnel ring at the bottom of the ...

The boring machines were manufactured in Germany for just one of 10 sections that make up the $16 billion Gateway project to build a new tube for Amtrak and NJ Transit trains into Penn Station. The ...

Experts from the manufacturer in Japan are due in Seattle next week to explain exactly how to repair “Bertha,” the stalled tunnel boring machine. The earth moving work beneath downtown Seattle somehow ...