The Trump administration is signaling it intends to cut off federal funding for a long-delayed California high-speed rail project plagued by multibillion-dollar cost overruns.

The threat to cancel $4 billion in grants echoes Trump’s earlier move to withdraw $1 billion from the project during his first term, when he dismissed it as “a green disaster.”

California’s controversial rail project is about to lose federal funding, but powerful Democrats are doubling down on their support.