Photo ID: 112498 Date Shot Photo By Friday, May 23, 2025 Kevin Morgan Location Times Viewed Big Ten Curve (MP 19.5 to MP 20.2) Arvada, CO 744 (1 Comment Posted) Subdivision Railroad Moffat Tunnel (UP) Union Pacific UP 7850 is slowly descending down the north edge of Big Ten Curve, passing by several UP maintenance crews. UP has placed a lot of riprap rock to help shore up the track here. Indeed, work is ongoing and more rock will be placed in the coming days and weeks. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 112497 Date Shot Photo By Friday, May 23, 2025 Kevin Morgan Location Times Viewed Big Ten Curve (MP 19.5 to MP 20.2) Arvada, CO 610 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Union Pacific UP 7850 and train pass by the weather station that UP has setup on the southeast side of Big Ten Curve. The thrice-weekly manifest is (relatively) light today, so three units on the head end are sufficient power for the train. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 112496 Date Shot Photo By Friday, May 23, 2025 Kevin Morgan Location Times Viewed Big Ten Curve (MP 19.5 to MP 20.2) Arvada, CO 497 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Union Pacific On the southeast edge of Big Ten Curve, there is a solar-powered weather station setup. The weather station includes an anemometer, which reports the wind speed to UP's headquarters back in Omaha. If wind speeds are too high, UP will issue a 10 MPH slow order around Big Ten Curve. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 112495 Date Shot Photo By Friday, May 23, 2025 Kevin Morgan Location Times Viewed CP DS020 (East Eisele (Clay)) Arvada, CO 582 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Union Pacific After meeting the westbound Zephyr, and waiting a few seconds for some maintenance to clear up on Big Ten, UP 7850 and the MGJNY head east at East Eisele (Clay). As is frequently the case, there are several loaded coal cars on the front of the train. On this particular morning, there are 34 hoppers on the head end. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 112491 Date Shot Photo By Friday, May 23, 2025 Kevin Morgan Location Times Viewed Rainbow Cut Jefferson County, CO 579 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Union Pacific At Rainbow Cut at Plain, we see three GEs leading an eastbound MGJNY. From this angle you can see the back half of the train at the west switch of Plain, and even further out toward Tunnel 2. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 112490 Date Shot Photo By Friday, May 23, 2025 Kevin Morgan Location Times Viewed Plain (6,530 ft) Jefferson County, CO 636 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Union Pacific From this view at Plain, you can see Union Pacific Grand Junction, CO to North Yard, CO, stretching out the west end of Plain and through Tunnel 2, Tunnel 3, and around into Tunnel 4 in the distance. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 112489 Date Shot Photo By Friday, May 23, 2025 Kevin Morgan Location Times Viewed Plain (6,530 ft) Jefferson County, CO 644 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Union Pacific Three units lead UP's thrice weekly MGJNY on the main at Plain. The west end of Plain is quite different from the east end, tucked away against the mountains amidst a sea of pine trees. Really enjoy this view. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 112488 Date Shot Photo By Friday, May 23, 2025 Kevin Morgan Location Times Viewed Tunnel 2 (MP 25.4, 516 ft) Jefferson County, CO 574 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Union Pacific The MGJNY is wrapping through a few of the lower tunnels in the Tunnel District. The train is approach a clear (green) signal at the west end of Plain. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 112487 Date Shot Photo By Friday, May 23, 2025 Kevin Morgan Location Times Viewed Tunnel 4 (MP 26.0, 174 ft) Jefferson County, CO 545 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Union Pacific UP's MGJNY emerges from Tunnel 4, making its way toward Eisele (Clay) where it will meet the westbound Zephyr. The Zephyr is currently at Rocky, heading west toward Big Ten Curve. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 112481 Date Shot Photo By Wednesday, May 21, 2025 Kevin Morgan Location Times Viewed Big Ten Curve (MP 19.5 to MP 20.2) Arvada, CO 501 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Union Pacific In this classic perspective from East Rocky, UP's thrice-weekly MGJNY leaves the siding at Rocky on its way east. The train is going to stop at the east switch of Leyden for a crew change. The current crew doesn't quite have enough time left on the clock to reliably make it to North Yard. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 112480 Date Shot Photo By Wednesday, May 21, 2025 Kevin Morgan Location Times Viewed Big Ten Curve (MP 19.5 to MP 20.2) Arvada, CO 533 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Union Pacific UP has mobilized several earth movers here on Big Ten between Rocky and the top of the curve. UP is using these large boulders to reinforce the grade and shore up the track. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 112479 Date Shot Photo By Wednesday, May 21, 2025 Kevin Morgan Location Times Viewed Big Ten Curve (MP 19.5 to MP 20.2) Arvada, CO 519 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Union Pacific A single AC4400CW brings up the back of UP's MJGNY as it rolls by the construction zone on Big Ten Curve. This particular AC4400CW was originally delivered in scarlet and gray as SP 207 in 1995. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 112478 Date Shot Photo By Wednesday, May 21, 2025 Kevin Morgan Location Times Viewed Big Ten Curve (MP 19.5 to MP 20.2) Arvada, CO 509 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Union Pacific This GP40-2, now designated as a GP40N, is likely either in need of maintenance, or its 90-day inspection is due. Either way, it is likely on its way to North Platte, NE. The unit was originally delivered to Baltimore and Ohio, before being sold to Southern Pacific and, of course, later being inherited by Union Pacific. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 112477 Date Shot Photo By Wednesday, May 21, 2025 Kevin Morgan Location Times Viewed Big Ten Curve (MP 19.5 to MP 20.2) Arvada, CO 488 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Union Pacific Five units lead UP's MGJNY toward a red-over-yellow (Diverging Approach) signal at the west end of Rocky. The second unit is likely headed to North Platte, NE for a 90 day inspection, or possibly for some maintenance. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 112476 Date Shot Photo By Wednesday, May 21, 2025 Kevin Morgan Location Times Viewed Big Ten Curve (MP 19.5 to MP 20.2) Arvada, CO 513 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Union Pacific UP's MGJNY arrives in Denver on Monday, Wednesday, and Friday. Lately, it has been fairly common for the train to descend the front range of the Moffat in morning daylight. This Wednesday is no exception, as the train coming around Big Ten Curve. Email Questions or Comments to the Webmaster or add a comment to the picture.

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