blakistan asked:

...are there even ten transit systems in the US to begin with??

amtrak-official answered:

Yes

1. New York Subway
2. Amtrak
3. LIRR
4. Chicago L
5. BART
6. NJTransit
7. Septa
8. Metra
9. Metro North
10. Sound Transit

[donuteater13]

4th place.... You have betrayed Chicago...

[amtrak-official]

The New York Subway is far more extensive and comprehensive than the L, I am legally unable to place Amtrak below the top 3, and the LIRR is very modern