Los Angeles Union Station Plans Possible $2 billion Expansion ENR California » Los Angeles Union Station is considering plans to add a new southern entrance/exit for Metrolink and Amtrak trains and build a new expanded passenger concourse. The estimated $2 billion-plus project would also add a new loop track to improve operational flexibility for rail service. Michelle2018-02-08T16:52:36-08:00February 6th, 2018|California, Metro Rail / Transit, Urban|