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

The $26-million remodel will transform the station into a more open and welcoming environment for commuters.

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

The new bridge provides a grade-separated crossing and is the only roadway bridge along the Northwest Line.