The threat to cut off California follows a 315-page report published by the Federal Railroad Administration that claims California has missed several deadlines related to the high-speed rail and has failed to identify how it will secure $7 billion in funding to build a segment of rail between Merced and Bakersfield,

California's high-speed rail project was billed as the future of transportation, but with President Trump moving to pull $4 billion in federal funds, its future remains precarious. Why it matters: The system was initially slated for completion in 2020.

A federal probe by the Trump Administration determined the California High Speed Rail Authority in default on terms of two federal grant awards.