Photo ID: 113589 Date Shot Photo By Monday, March 23, 2026 Kevin Morgan Location Times Viewed Big Ten Curve (MP 19.5 to MP 20.2) Arvada, CO 35 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Amtrak AMTK 164, the Phase 4 heritage unit, is likely the most common heritage unit to run on the Zephyr (and over the Moffat). I think I've seen this one way more often than the Phase 1 through 3 heritage units. In any case, it is leading the Zephyr west around Big Ten Curve this morning, along with AMTK 23. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 113588 Date Shot Photo By Monday, March 23, 2026 Kevin Morgan Location Times Viewed Rocky (7,330ft) Arvada, CO 39 (1 Comment Posted) Subdivision Railroad Moffat Tunnel (UP) Amtrak The westbound Zephyr just passed by some maintenance equipment in the siding and house track at Rocky. The Zephyr is about 25 minutes late this morning. UP's yard transfer between BNSF's 31st Street Yard and UP's North Yard was temporarily blocking the Zephyr down at Prospect Jct. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 113582 Date Shot Photo By Friday, March 20, 2026 Kevin Morgan Location Times Viewed Tunnel 1 (MP 23.4, 366 ft) Arvada, CO 24 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Amtrak Last weekend, I saw my first Superliner sporting Amtrak's Phase 7 paint scheme. That was on a lounge car. Here is the second Superliner I've seen, a coach/baggage on the tail end of the train. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 113581 Date Shot Photo By Friday, March 20, 2026 Kevin Morgan Location Times Viewed Tunnel 1 (MP 23.4, 366 ft) Arvada, CO 22 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Amtrak The east portal of Tunnel 1 is a fantastic spot for a shot of westbounds in the morning, as the tracks actually head (more or less) east, putting the train in great morning light. As a result, I like to try to explore some different perspectives. The lower view up toward the tracks was just right for the Zephyr with AMTK 176 and AMTK 203 on the point. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 113580 Date Shot Photo By Friday, March 20, 2026 Kevin Morgan Location Times Viewed Eisele (Clay) (5,780 ft) Arvada, CO 36 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Amtrak Despite the extreme dry weather, it does appear that the foliage is starting to green up a little bit here around Eisele (Clay). AMTK 176 and AMTK 203 lead the westbound Zephyr on the main track here near the east end of the siding. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 113579 Date Shot Photo By Friday, March 20, 2026 Kevin Morgan Location Times Viewed Big Ten Curve (MP 19.5 to MP 20.2) Arvada, CO 43 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Amtrak This seemed like the perfect angle, along the east side of Big Ten Loop, for a shot of the morning Zephyr as it heads west. You can see Tunnel 1 in the distance, and even the east portal of Tunnel 4 further off in the distance. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 113578 Date Shot Photo By Friday, March 20, 2026 Kevin Morgan Location Times Viewed Big Ten Curve (MP 19.5 to MP 20.2) Arvada, CO 37 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Amtrak On the lower north edge of Big Ten Loop, the morning Zephyr is starting its climb. As we move in to Spring, the Denver area is still in the midst of the driest winter season in recorded history. It is unlikely the foliage is going to green up as much this spring compared to a typical spring. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 113577 Date Shot Photo By Friday, March 20, 2026 Kevin Morgan Location Times Viewed CP DS019 (West Rocky) Arvada, CO 38 (2 Comments Posted) Subdivision Railroad Moffat Tunnel (UP) Amtrak At the west switch of rocky, the westbound Zephyr is sporting a colorful consist as it climbs toward Big Ten Curve, running precisely on time. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 113572 Date Shot Photo By Wednesday, March 18, 2026 Kevin Morgan Location Times Viewed CP DS024 (East Plain) Arvada, CO 59 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Amtrak When The Zephyr left Chicago, it was led by AMTK 4 and AMTK 5. AMTK 4 was swapped for AMTK 150 in Denver, resulting in a roughly two hour delay. It is unclear if AMTK 4 had a mechanical issue, or it was just swapped with AMTK 150, and AMTK 4 will show up on the Winter Park Express tomorrow morning. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 113571 Date Shot Photo By Wednesday, March 18, 2026 Kevin Morgan Location Times Viewed Eisele to Plain (MP 21.8 to MP 24.0) Arvada, CO 60 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Amtrak This morning's Zephyr is almost two hours late after a delay in Denver. The lead unit on the Zephyr, AMTK 150, was taken from the Winter Park Express power. It is unclear why it was necessary to swap power. It is possible that AMTK 150 is due for a 92-day inspection and, as a result, had to be swapped and sent west to Emeryville. In any case, the Zephyr is just west of Tunnel 1, coming up to Plain. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 113569 Date Shot Photo By Tuesday, March 17, 2026 Kevin Morgan Location Times Viewed C&S Jct to Arvada (MP 4.8 to MP MP 7.5) Denver, CO 65 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Amtrak, BNSF Unfortunately, the westbound Zephyr developed some mechanical issues after departing Chicago. It quickly fell to being four hours late not far west of Chicago. By the time it made it Denver, it was nearly seven hours late! Here, at 4:15pm, the train is finally heading west on Main 1 between C&S Junction and Arvada. An Amtrak P42DC was part of the problem, and had to be removed in favor of this BNSF ES44DC. Not too often the lighting is so good for the westbound Zephyr. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 113565 Date Shot Photo By Monday, March 16, 2026 Kevin Morgan Location Times Viewed Tunnel 1 (MP 23.4, 366 ft) Arvada, CO 36 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Amtrak It is a beautiful morning with mostly clear skies as the westbound Zephyr approaches the east portal of Tunnel 1. The Zephyr lost a bit of time all the way from Chicago to Denver, so it is just over an hour late this morning. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 113564 Date Shot Photo By Monday, March 16, 2026 Kevin Morgan Location Times Viewed Eisele to Plain (MP 21.8 to MP 24.0) Arvada, CO 36 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Amtrak Just a little over an hour late, the Zephyr climbs the grade from the base of Coal Creek Canyon up toward the east portal of Tunnel 1. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 113563 Date Shot Photo By Monday, March 16, 2026 Kevin Morgan Location Times Viewed CP DS020 (East Eisele (Clay)) Arvada, CO 54 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Amtrak On what might be one of the last snowy mornings this season, the California Zephyr heads west on the main at Eisele (Clay). AMTK 79 and AMTK 193 are leading the train this morning. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 113562 Date Shot Photo By Monday, March 16, 2026 Kevin Morgan Location Times Viewed Big Ten Curve (MP 19.5 to MP 20.2) Arvada, CO 39 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Amtrak After one of the driest winters in recorded history, some fresh snow finally fell Saturday night and Sunday night in the Denver area. However, with a forecasted high of 80°F (27°C) in just two days, it is possible this is the last blanket of snow we will see this season. 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