After the lessons of rail, the Denver region might just be ready to move into a bus-centric transit future that better addresses climate change, air quality, and inequity. But there's one unfulfilled promise standing in the way: the Boulder train. Is it time for locals to let that go, or is there hope on the horizon? Part 4 of 4.

Hosted and reported by Nathaniel Minor

Editors: Erin Jones, Joe Wertz

Production and mixing: Rebekah Romberg

Additional production: Luis Antonio Perez

Theme song by Daniel Mescher. Additional music via Universal Production Music.

Artwork: Mia Rincón

Executive producers: Kevin Dale, Brad Turner

Additional editorial support: Jo Erickson, Alison Borden, Rachel Estabrook, Ana Campbell, Sherkiya Wedgeworth-Hollowell, Andrew Villegas, Dave Burdick

Archival tape thanks: Heather Dalton and Dominic Dezzutti at CPT-12; Tim Wieland and Steve Vriesman at CBS4 Denver; Kevin Krug at KMGH Denver7.

Thanks also to Kim Nguyen, Jodi Gersh, Clara Shelton, Hart Van Denburg.

Ghost Train is a production of CPR News and Colorado Public Radio's Audio Innovations Studio.

www.cpr.org/podcast/ghost-train

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