In a statement, Duffy said the Federal Railroad Administration terminated approximately $4 billion in unspent funding for “California’s High Speed Rail Boondoggle,” saying the $135 billion projected cost of the project could buy every San Francisco and Los Angeles resident nearly 200 round trip flights between the cities.

The rescissions bill to claw back funding approved for foreign aid, NPR and PBS is a top Trump priority, but some Senate Republicans have raised concerns about the cuts.

Senate Republicans advance President Donald Trump's $9 billion spending clawback package through final procedural hurdle, with some bipartisan opposition to foreign aid cuts.

Senate Republicans are expected to move forward on Wednesday with efforts to codify some of the Department of Government Efficiency cuts to programs such as the U.S. Agency for International Development (USAID) and public broadcasting.