A History of Short Words

From the New York Times Crossword Puzzle

ACELA

Sun, 1 May '22
Speedy travel option
Mon, 28 Feb '22
Amtrak express train
Thu, 17 Feb '22
Northeast Corridor train
Thu, 3 Feb '22
Express service since 2000
Sun, 7 Nov '21
Amtrak service
Fri, 16 Jul '21
Train through eight states
Sat, 15 May '21
What's on the fast track?
Fri, 7 May '21
Train that serves three Union Stations
Wed, 30 Dec '20
___ corridor, Northeast transportation route