Related Clues:
- It has a Bridges and Tunnels div
- Kingston Trio song that inspired the Boston subway's CharlieCard
- L.A. commuter org
- Boston transit inits
- Boston subway system, formerly
- What Charlie rides, in a 1959 hit
- NYC bus org
- NYC bus insignia
- Overseer of N.Y.C. subways
- N.Y.C.-based grp. with its own police department
- Kingston Trio hit for whose hero Boston's CharlieCard was named
- 'If You See Something, Say Something' transit org
- Kingston Trio hit with the lyric "Fight the fare increase!"
- Subway inits
- NYC bus and train group