Harriet was not quite ready for her close-up. The 950-ton tunnel boring machine named after African-American abolitionist Harriet Tubman was hoisted about five feet off the ground Monday. But Metro ...

The enormous drills that dig subway tunnels don’t usually generate much excitement. But Los Angeles County transportation officials hope to make a recent equipment acquisition—called a tunnel boring ...

The Crenshaw/LAX Line is due to be complete in 2019, and one very cool element of the light rail line's construction is getting underway right now. The giant tunnel-maker, nicknamed Harriet, will dig ...

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Below Walt Disney Concert Hall, down the block from the line forming outside the Broad Museum, sits the deepest point in Los Angeles’ subway system. When it’s completed, the Bunker Hill station will ...

Seven months after beginning its journey, Elaine the tunnel boring machine has completed its subterranean mission drilling out the Northside Interceptor Tunnel (NSIT). The 16.5-foot diameter, ...

The machine is expected to take approximately three to four years to complete the five-mile-long tunnel. The boring machine will eventually be extracted on the east side of US 101 near Las Plumas ...

This photo taken on Jan. 9, 2026 shows the tunnel boring machine "Xi Wang" in Shanghai, east China. The "Xi Yi" and "Xi Wang" ...