Express Amtrak options

ACELAS

High-speed trains that zip between major Northeast cities in the US.

The clue "Express Amtrak options" hints at Amtrak's high-speed train service, the Acela. "Express" suggests speed, and "options" implies multiple choices, though Acela is the primary one. The answer "ACELAS" is simply the plural form of Acela, fitting the clue's phrasing. It’s a straightforward reference to Amtrak’s well-known fast trains.