News Tagged With: tunneling
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April 4, 2012

Sound Transit's 2nd tunnel boring finished

Tunneling contractors will now focus on building 15 cross passages between the two tunnels. The overall $1.9 billion project is about halfway complete and scheduled to open in 2016.


September 14, 2011

S.F. MTA to award $233.5M subway contract

A construction approach called "deep tunneling" will be used to construct the Central Subway. Deep tunneling allows most of the work to be done below ground, reducing disruption on the surface by using the TBMs, a technology that has been used extensively throughout the world.


May 23, 2011

Web Extra: Sound Transit commences Univ. of Washington tunneling project

University Link will extend the region's first modern light rail system by about three miles and serve an estimated 70,000 additional daily riders in one of the most densely populated areas of the university and the nation.


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