A History of Short Words

From the New York Times Crossword Puzzle

CTA

Sun, 13 Jul '25
Windy City commuting org.
Sun, 2 Jul '23
Overseer of Windy City buses and trains, in brief
Wed, 11 May '22
Windy City rail system, in brief
Mon, 18 Jan '21
Org. that runs Windy City trains