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Photo ID: 112718
Date Shot
Photo By
Tuesday, July 1, 2025 Kevin Morgan
Location
Times Viewed
Crescent (5,550 ft)
Boulder County, CO
10
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak
As the westbound Zephyr rolls at track speed away from the camera at Crescent, we get nice view of the Continental Divide in the distance, as well as a good view of the dam at Gross Reservoir. Construction on the dam has been ongoing four about four years, as the dam is being raised by over 100 feet, a project that will triple the capacity of Gross Reservoir.
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Photo ID: 112717
Date Shot
Photo By
Tuesday, July 1, 2025 Kevin Morgan
Location
Times Viewed
Crescent (5,550 ft)
Boulder County, CO
9
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak
I really like this particular perspective at Crescent, roughly halfway through the siding. The tracks come out of a nice little cut from the east, where the House Track starts. There are several nice (and right now, green) deciduous trees in the area as well.
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Photo ID: 112716
Date Shot
Photo By
Tuesday, July 1, 2025 Kevin Morgan
Location
Times Viewed
Crescent (5,550 ft)
Boulder County, CO
7
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak
Near the east end of Crescent, the Zephyr is on the main and moving west at track speed. There are several residences in the area that, if you don't mind living a very rural life, would be quite nice.
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Photo ID: 112715
Date Shot
Photo By
Tuesday, July 1, 2025 Kevin Morgan
Location
Times Viewed
Plain to Crescent (MP 25.3 to MP 30.6)
Boulder County, CO
8
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak
The longest Tunnel in the Tunnel District is Tunnel 17, which is 1,752 feet long, or roughly 1/3 of a mile long. The tunnel allows the tracks to leave South Draw, and connect with the open valley at Crescent, near Gross Reservoir. The westbound Zephyr is approach a clear (green) intermediate signal just east of Tunnel 17 on the approach to Crescent.
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Photo ID: 112714
Date Shot
Photo By
Tuesday, July 1, 2025 Kevin Morgan
Location
Times Viewed
Plain to Crescent (MP 25.3 to MP 30.6)
Jefferson County, CO
10
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak
The westbound Zephyr is moving along one of the longer stretches without a tunnel in the Tunnel District, between Tunnel 16 and Tunnel 17. This area is known as South Draw, and is absolutely one of the highlights of riding the Zephyr (or other passenger trains) on the Moffat.
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Photo ID: 112713
Date Shot
Photo By
Tuesday, July 1, 2025 Kevin Morgan
Location
Times Viewed
Plain to Crescent (MP 25.3 to MP 30.6)
Jefferson County, CO
13
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak
The westbound Zephyr heads west through a cut that is known as "Old Tunnel 17". When the Moffat Route was originally be built in the early 1900s, the tunnel presented a lot of geologic problems, includes frequent cave-ins. The tracks were rerouted around a shoofly outside of the tunnel. That shoofly is now beneath all the pine trees on the outside of the cut in this shot. Old Tunnel 17 was finally daylighted, and the tracks were moved to their current alignment, now moving through a cut instead of a tunnel.

While Tunnels 9 and 28 were daylight quite awhile after the route had been in operation, they retained their numbers. Since "Old Tunnel 17" had issues from the beginning of construction, at was ultimately bypassed, the next tunnel to the west was numbered Tunnel 17 from the start.
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Photo ID: 112712
Date Shot
Photo By
Tuesday, July 1, 2025 Kevin Morgan
Location
Times Viewed
Tunnel 16 (MP 28.7, 698 ft)
Jefferson County, CO
10
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak
Tunnel 16 is one of the longer tunnels in the Tunnel District, just two feet shy of 700 feet long. As a result, there is some exhaust that builds up in the tunnel, and you can see a bit of that exhaust coming out of the tunnel toward the left as the westbound Zephyr continues west in the Tunnel District.
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Photo ID: 112711
Date Shot
Photo By
Tuesday, July 1, 2025 Kevin Morgan
Location
Times Viewed
Tunnel 12 (MP 27.9, 429 ft)
Boulder County, CO
11
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak
The start pair of P42DCs lead the westbound Zephyr as it emerges from Tunnel 12 and approaches Tunnel 13 in South Draw in the Tunnel District.
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Photo ID: 112710
Date Shot
Photo By
Tuesday, July 1, 2025 Kevin Morgan
Location
Times Viewed
Tunnel 11 (MP 27.8, 238 ft)
Boulder County, CO
12
(Add a Comment)
Subdivision
Railroad
Moffat Tunnel (UP) Amtrak
The westbound Zephyr is deep in the (lower) Tunnel District as the head end emerges from Tunnel 11, while the last few cars on the train are still in Tunnel 10.
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Photo ID: 112709
Date Shot
Photo By
Monday, June 30, 2025 Kevin Morgan
Location
Times Viewed
BNSF Engine House
Denver, CO
24
(Add a Comment)
Subdivision
Railroad
Yard Shots Amtrak
There was a time when the tracks at Union Station were all CTC controlled by a local dispatcher. Then, for years, the station tracks were all uncontrolled yard tracks, as the Zephyr was virtually the only train to use the station. Now, the tracks are once again under the control of CTC, and Denver's RTD (Regional Transportation District) owns and dispatches the tracks. A-Line and N-Line tracks are the two commuter line tracks to the left. B-Line and G-Line tracks are the two commuter line tracks to the right. "Heavy" trains, such as Amtrak, the Winter Park Express, and Rocky Mountaineer, use the center track to get to Track 4 and Track 5 at Union Station.
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Photo ID: 112708
Date Shot
Photo By
Monday, June 30, 2025 Kevin Morgan
Location
Times Viewed
BNSF Engine House
Denver, CO
20
(Add a Comment)
Subdivision
Railroad
Yard Shots Amtrak
Union Station's Passenger Lead track passes beneath the intersection of Park Avenue and Delgany Street. With all the switches and derails verified to be properly aligned, the train is making a reverse movement beneath the intersection toward Denver Union Station.
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Photo ID: 112707
Date Shot
Photo By
Monday, June 30, 2025 Kevin Morgan
Location
Times Viewed
BNSF Engine House
Denver, CO
22
(Add a Comment)
Subdivision
Railroad
Yard Shots Amtrak
On a mostly overcast evening, the sun breaks through for a few minutes to light up a pair of GE units sitting near the BNSF Engine House while the eastbound Zephyr backs down the Passenger Lead to Union Station.
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Photo ID: 112706
Date Shot
Photo By
Monday, June 30, 2025 Kevin Morgan
Location
Times Viewed
31st Street Yard
Denver, CO
18
(Add a Comment)
Subdivision
Railroad
Yard Shots Amtrak
While making a reverse move off of Coal 2, the Zephyr kicks up a bit of dust when the air compressor let go a bit of air. The train is headed for its evening station stop at Union Station.
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Photo ID: 112705
Date Shot
Photo By
Monday, June 30, 2025 Kevin Morgan
Location
Times Viewed
31st Street Yard
Denver, CO
22
(Add a Comment)
Subdivision
Railroad
Yard Shots Amtrak
On the north side of the South Platte River, the front half of the Zephyr has re-entered CTC limits and is on a track called Coal 2. This track, and the next two to the right, are all in CTC, with Coal 1 being next to the Zephyr, and the main next to that. A BNSF switch job is preparing to pull forward even further to the right of the frame.
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Photo ID: 112704
Date Shot
Photo By
Monday, June 30, 2025 Kevin Morgan
Location
Times Viewed
BNSF Engine House
Denver, CO
19
(Add a Comment)
Subdivision
Railroad
Yard Shots Amtrak
The evening Zephyr is crossover over a couple of tracks in order to make a reverse move on the Passenger Lead toward Union Station. The South Platte River separates BNSF's Denver Yard from its Engine Facility. Three tracks cross the river, and those three tracks tend to be very busy most of the time as switch job use the tracks for a lead, mainline trains running to or from the Joint Line come through, trains headed for Rennicks and the Moffat come through here, and engine moves come through. This stretch of track is all yard limits and there is no CTC here.
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