Video appears to show the operator asleep moments before the collision.
The Trump administration wants to redistribute $2.4 billion it pulled from California's high-speed rail project to other uses as part of a new $5 billion program to fund rail projects that boost U.S. rail passenger traffic.
The announcement came Wednesday in a 310-page report that outlines concerns about the project's ballooning costs and delays, claiming the California High-Speed Rail Authority does not have the capacity to deliver the early operating segment by 2033 as planned.
A local sales tax to fund transportation projects is not set to wind down for two years, and there is already debate about how to move forward.
Thursday, the Trump administration called for a compliance review into the California High-Speed Rail Authority over Central Valley construction.
Transportation Secretary Sean Duffy has asked for a compliance review of California's controversial High Speed Rail project.