The San Francisco to San Jose and San Jose to Merced sections have a total length of approximately 135 miles and will connect the Bay Area to the Central Valley.
"Awarding this contract is an essential piece to help us move forward in bringing high-speed rail to the Bay Area,” said authority CEO Jeff Morales. “HNTB is an experienced firm that has the resources and expertise to complete the work required to meet our goal of environmental clearance in the region by 2017.”
The contract is for a three-year period at a cost of US$36m (£24m).
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