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Friday, January 17, 2025
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Kevin Morgan
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Chemical (MP 14.5)
Arvada, CO
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153 (Add a Comment)
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Moffat Tunnel (UP)
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Union Pacific
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UP's MGJNY met the Winter Park Express at Rocky and is now heading the rest of the way into Denver. The train is less than 3,000 feet long this morning. Other than the coal at the front, most of the rest of the train are cars from the Potash Local that runs out to Moab from Grand Junction. If you look off in the distance and slightly up, you can see the head end of an eastbound BNSF in the siding at Plain.
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Friday, January 17, 2025
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Kevin Morgan
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CP DS013 (West Leyden)
Arvada, CO
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157 (Add a Comment)
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Moffat Tunnel (UP)
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Union Pacific
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For the past decade, The US EPA has required that diesel locomotives built meet the (very strict) Tier-4 emissions standards. As a result, Class 1 railroads have largely started rebuilding older locomotives as rebuilds are not subject to the same standards. It is cheaper than buying Tier-4 compliant locomotives, which, even after their initial sticker price, are more expensive (and more complicated) to maintain. However, UP has purchased 107 Tier-4 compliant SD70ACe-T4s. UP 3054, on the point of the MGJNY, is one such unit.
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Friday, January 17, 2025
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Kevin Morgan
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Detector (MP 8.4)
Arvada, CO
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183 (Add a Comment)
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Moffat Tunnel (UP)
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Amtrak
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A Phase 7 P42DC leads the westbound Zephyr across the Carr Street grade crossing and through the high/wide detector at MP 8.4. The detector has a wire suspended around the track. The closest the wire gets to the track matches the closest a tunnel wall (or ceiling) gets to the track. If anything is sticking out too far (or high), it'll break a wire, indicating the car will not clear a tunnel.
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