SAN FRANCISCO (AP) — The Federal Transit Administration is delaying a decision on whether to approve a $650 million federal grant for electrification of a San Francisco Bay Area train system that would also help California’s high-speed rail project.

Congressional Republicans had pushed the administration to reject the application from Caltrain. The FTA faced a Friday deadline for a decision, but in a letter sent Friday the agency says it’s deferring a decision so it can be considered as part of President Donald Trump’s budget. No timeline is given.

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Members of California’s GOP delegation had asked the Transportation Department to block approval of the grant to electrify a Caltrain line between San Jose and San Francisco.

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Caltrain had hoped to have funding approved by March to begin contract bidding.

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