A 19.5 tonne tunnel-boring machine docked at Onehunga Wharf after successfully tunnelling Watercare’s $22m Clarks Beach ...

The Hawthorne tunnel is just a test tunnel for The Boring Company, which also plans to complete a second, 3.6-mile, one-way tunnel from Los Angeles Metro to Dodger Stadium.

One of the cross passages is photographed in the new 4th bore of the Caldecott Tunnel in Orinda, Calif. on Wednesday, Oct. 23, 2013. The soon to be opened bore features many new safety features.

Then the tunnel-boring machine named after the former first lady freshened up a bit and wormed back underground, ready to dig a massive hole beneath the Anacostia River toward the doorstep of ...

The tunnel boring machine, Angeli, breaks through a wall of dirt in downtown Los Angeles and achieves a major milestone in Regional Connector transit Project News Home Page ...

When it resurfaces Tuesday morning, the boring machine, also known as "Harriet", will have traveled 4,200 feet under Government Cut to create the first of two tunnel chambers.

ORINDA — Crews carving out the Caldecott Tunnel’s fourth bore have shifted from a big dig to fine finish work three years after breaking ground on the Highway 24 tunnel widening. Construction ...

King County’s expensive tunneling project continues to grind its way underground from Bothell to the future Brightwater treatment plant in Maltby. It hasn’t hit full stride, though. Since it ...