After Years of Delays, Amtrak Moves Toward Faster Trains in the Northeast
New York Times
A new train for the busy Washington to Boston route has finally passed a computer modeling test and is set for tryouts on the tracks. Amtrak has no date yet for when it can carry passengers.
https://www.nytimes.com/2024/01/13/us/politics/acela-amtrak-avelia.html