I'm sure this has been mentioned in previous threads, but the extra 10mph gained does not result in timekeeping savings of any note. That said, it's new and additional equipment replacing the Bombardier equipment.
160mph will be possible on 50 miles of track resulting in time elapsed at 18m 45s. At 150, trip time elapsed is 20m. To me, if they can certify the trains at 150 while doing additional testing, they should go ahead and start.
Also, as of 2022, it looks like 15 sets were complete. The article is dated September 22, 2022 at 10:42 a.m. EDT
Article behind a paywall:
https://www.washingtonpost.com/transpor ... ed-trains/
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Their delivery will provide a pandemic-era boost to Amtrak, adding to momentum for a massive expansion backed by unprecedented political and financial support from Washington. With their aerodynamic white-and-blue exteriors, touchless doors, USB outlets and improved cafe cars, they are an upgrade from the 22-year-old vehicles they will replace.
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Three years after manufacturing began, Train 15 was the latest to reach the end of the production line late this summer inside the 137-year-old shop. Alstom, a French train manufacturer, expanded the complex into a massive operation, so far delivering four train sets that will carry passengers in fall 2023.
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Top speeds of 160 mph will only be reached along 34 miles in Massachusetts and Rhode Island, with another 16 miles in New Jersey. Ongoing track enhancements between D.C. and New York will allow the new trains to travel 10 mph faster in segments with a 125 mph speed limit. Signal upgrades at various locations could eventually boost speeds from 45 mph to 80 mph.
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Alstom officials said some of the train’s features will debut in the United States before Europe, including touchless doors and spacious restrooms with a 60-inch diameter turning radius, which exceed accessibility requirements.
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