The estimated cost to build the first segment of California's high-speed rail project has risen to between $10 billion and $13.9 billion from the 2009 estimate of $7.1 billion. The increased cost is associated with elevating the tracks in the Central Valley and details related to property values. Work in the Central Valley is expected to begin in 2012. Meanwhile, the state received an additional $179 million from the federal government for the high-speed rail project.
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