November 20, 2012
Sound Transit's tunnel boring machine pushed through the wall into the Capitol Hill station site early Wednesday morning on March 21, to complete a two-mile light rail tunnel from the University of Washington. The 21-foot diameter tunnel boring machine emerged within 3 millimeters of its target as part of the University Link light rail expansion.
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Hazard Analysis: The Practice of Using Cell Phones While Operating a Transit Vehicle Examining system safety principles, available information in the public domain, recent transit incidents and policies.
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