Photo By: Kevin Morgan

The eastbound Zephyr passes by Tunnel 28. Or, more accurately, what is left of Tunnel 28! The tunnel daylighted decades ago due to numerous cave-ins and general structural issues. The tracks follow along South Boulder Creek all the way east to Tunnel 8, when the tracks turn to the south. Email Questions or Comments to the Webmaster. User Comments (0) No comments posted yet. Click Here to add the first one!

9 views 0 comments Sunday, June 07, 2026 at 4:55:47 PM image date Location Information City or County and State Boulder County, CO Subdivision Moffat Tunnel (UP) Milepost or Control Point Tunnel 28 (Daylighted) Train Information Railroad Amtrak Model P42DC Primary Unit Number AMTK 182 Paint Scheme Amtrak Phase 5b Symbol AMT6-06 Train Type California Zephyr (Amtrak) Photo Information Camera Make/Model Hasselblad / Mavic 3 / Mavic 3 Pro [L2D-20c] ISO 140 898 Flash Did Not Fire Focal Length 24 mm Shutter 1/2000 seconds Aperture f/2.8

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