President Donald Trump canceled nearly $1 billion in federal funding for the high-speed rail project in 2019, during his first term. The Biden administration later restored the funding and, in December 2023, allocated $3.3 billion more.

Duffy, speaking at Union Station in Los Angeles on Thursday morning, said the Federal Railroad Administration will review the rail project and its leadership.

The Federal Railroad Administration initiated a review of California's 400-mile high-speed rail project aimed at connecting Los Angeles to San Francisco following concerns voiced by the Trump Administration,