I took a 15-hour Amtrak train from Colorado to Utah. Here's how I spent every hour, from boarding to bedtime.

A Business Insider reporter took a 15-hour overnight Amtrak train from Denver to Salt Lake City. The journey was cozy and social, with striking views. The reporter has spent nearly 200 hours on overnight trains and prefers long-distance trains over flying. The trip was taken on a frosty day in January 2025.

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