Photo ID: 112558 Date Shot Photo By Monday, June 9, 2025 Kevin Morgan Location Times Viewed Big Ten Curve (MP 19.5 to MP 20.2) Arvada, CO 111 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Amtrak AMTK 51 and AMTK 14 lead the westbound Zephyr by the recent construction site on Big Ten, where Union Pacific spent a few weeks putting new rock down to reinforce the grade here on the north end of Big Ten Curve. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 112548 Date Shot Photo By Wednesday, June 4, 2025 Kevin Morgan Location Times Viewed Big Ten Curve (MP 19.5 to MP 20.2) Arvada, CO 185 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Ferromex, BNSF Always like trying to get a roster shot of a foreign visitor in the area. Particularly when it is a visitor from the south or north of the border! Second out on this westbound oil train is a Ferromex SD70ACe. Ferromex, of course, is one of the two largest railroads in Mexico. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 112547 Date Shot Photo By Wednesday, June 4, 2025 Kevin Morgan Location Times Viewed Big Ten Curve (MP 19.5 to MP 20.2) Arvada, CO 163 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Norfolk Southern, BNSF Last week, UP officially wrapped up a majority of the construction on Big Ten and reopened the mainline between switches at Rocky. There is still some minor work happening, but all the speed restrictions have been lifted. This NS/BNSF oil train climbs the north edge at track speed. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 112546 Date Shot Photo By Wednesday, June 4, 2025 Kevin Morgan Location Times Viewed Big Ten Curve (MP 19.5 to MP 20.2) Arvada, CO 134 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Norfolk Southern, BNSF It seems that a business east of the Mississippi has a contract with the Wash oil loadout. The train originates on Norfolk Southern and is turned over to BNSF. However, most of the time, the train has been running with at least a few NS units all the way to the oil transloaded facility. On this particular day, an interesting NS/FXE/NS trio lead the train. Email Questions or Comments to the Webmaster or add a comment to the picture. Photo ID: 112499 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 325 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) Union Pacific Union Pacific maintenance has a small line of earth movers setup and ready to go to work, placing the riprap that has been dumped along the tracks. UP started this project about two weeks ago, after a minor derailment in the area. It looks like the project will likely last a few more weeks. Email Questions or Comments to the Webmaster or add a comment to the picture. 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 412 (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 349 (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 248 (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: 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 251 (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 273 (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 258 (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 264 (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 230 (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 250 (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. Photo ID: 112474 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 288 (Add a Comment) Subdivision Railroad Moffat Tunnel (UP) BNSF BNSF's Provo-Denver is heading east at 10 MPH through the work zone UP currently has set up on Big Ten. The UP manifest in the background is on the main at Eisele (Clay). It just received a restricting (flashing red) signal to proceed east out of Eisele (Clay) behind the BNSF manifest. Email Questions or Comments to the Webmaster or add a comment to the picture.

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