The ultra-fast train would cut travel times between L.A. and Las Vegas in half, but a failed bond sale in the midst of a skeptical financial market has put the project on indefinite hold.

Agency says Balfour Beatty-Graham team managing the $510-million project missed another completion deadline to transfer it for testing.

Senate appropriators call for boost for airport construction grants, raise PFC cap.

The Southeast Rail Extension project adds 2.3 miles to the existing 19-mile Southeast Line, which parallels I-25 south of Denver.