SACRAMENTO (CBS/AP) — Gov. Jerry Brown’s ambitious plan to start building the nation’s first dedicated high-speed rail line is set for a pivotal vote in the Legislature this week.

But some lawmakers are still skeptical about spending billions first in the Central Valley.

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The governor is pushing lawmakers to authorize $2.7 billion in voter-approved state bonds. It’s for construction on the first 130-mile stretch of a bullet train from Madera to Bakersfield.

Brown says the state has to act fast in order to capture billions of dollars in additional federal support.

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While Democratic leaders support the bullet train, they say it faces a tight vote, particularly in the Senate.

Some lawmakers have suggested using the bonds to improve existing rail systems within more densely populated areas such as Los Angeles and San Francisco.

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