Photo By: Kevin Morgan

UP 8504 is sporting Union Pacific newest paint scheme. This is one of the first SD70ACes I've see with the new scheme. The train is headed for the siding at Leyden to meet a slightly late westbound Zephyr. Email Questions or Comments to the Webmaster. User Comments (0) No comments posted yet. Click Here to add the first one!

43 views 0 comments Monday, December 15, 2025 at 10:27:40 AM image date Location Information City or County and State Arvada, CO Subdivision Moffat Tunnel (UP) Milepost or Control Point Leyden to Rocky (MP 13.4 to MP 17.4) Train Information Railroad Union Pacific Model SD70ACe Primary Unit Number UP 8504 Paint Scheme UP Flag/Lightning/Wings Symbol Train Type Unit Oil Primary Unit Future Number(s) UP 8914 Photo Information Camera Make/Model Hasselblad / Mavic 3 / Mavic 3 Pro [L2D-20c] ISO 100 Flash Did Not Fire Focal Length 24 mm Shutter 1/2000 seconds Aperture f/2.8

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