Photo By: Kevin Morgan

AMTK 82, sporting the Phase 7 paint scheme, leads the westbound Zephyr as it enters the Upper Tunnel District. The train has left Crescent behind, and is approaching the east portal of Tunnel 19. In the distance, the main part of the construction on the increasing height of the dam at Gross Reservoir is nearly complete. 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, April 19, 2026 at 10:05:58 AM image date Location Information City or County and State Boulder County, CO Subdivision Moffat Tunnel (UP) Milepost or Control Point Tunnel 19 (MP 32.1, 1,059 ft) Train Information Railroad Amtrak Model P42DC Primary Unit Number AMTK 82 Paint Scheme Amtrak Phase 7 Symbol AMT5-18 Train Type California Zephyr (Amtrak) Photo Information Camera Make/Model Hasselblad / Mavic 3 / Mavic 3 Pro [L2D-20c] ISO 100 Flash Did Not Fire Focal Length 24 mm Shutter 1/240 seconds Aperture f/7.1

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