Here is a link to the Progressive Railroading article:
In addition to the projects mentioned in the original post, the Amtrak 'Raton Pass' route got ...
• Southwest Chief Route stabilization project, Colfax County, New Mexico, $16 million. Crews will replace 60-year old bolted rail, associated turnouts and crossings for a net gain of 42 miles of rail in the La Junta subdivision between Hutchinson, Kansas, and Las Animas, Colorado.
Raton Pass is within the aforementioned Colfax County.