Would they need to be using Absolute Block until the FRA certifies it for mixed operation? That's one reason I would guess for using the Keystone line, probably much emptier so establishing absolute block wouldn't affect as much traffic.
Pensyfan19 wrote: ↑Fri May 29, 2020 2:55 pm Anyone know why the trainset is testing on the Keystone corridor instead of the NEC? Could it be possible that these trainsets could (eventually) be used for Keystone service?Don't read into things too much ... Even the Acela I tested on the Keystone corridor before debut, and sometimes after being rejoined after their splitting and updating approx 10-15 years ago.