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Bullet Train Meeting Explores Tunnel Options in San Jose

High-speed rail leaders presented potential aerial and underground routes through San Jose to roughly 150 residents at the Gardner Community Center on March 2....The meeting was the first time high-speed rail leaders included tunnel expert Juan Duran, and he said technology exists to dig a potential station 140 feet underground at Diridon station and the planned BART station....Duran cautioned that only 2 percent of the engineering work had been done on a tunnel, and it could cost up to $3 billion....If built, the San Jose tunnel would be about twice as deep as the deepest bullet-train tunnel in the world, said Gary Kennerley, regional program manager for the San Jose to Merced high-speed rail segment.

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