[happyfun-hideaway]

Tap Card (L.A) / Clipper Card (Bay Area) / Ventra Card (Chicago) / MetroCard (NYC)

[csny]

Orca Card (Seattle / Puget Sound region)

[dieinct]

CharlieCard (Boston), SmarTrip Card (DC), Compass Card (Vancouver), Presto Card (Toronto)

[skimble-shanks-the-railway-cat]

Suica and Pasmo cards (greater Tokyo area, almost nationwide usability?)

[soufre-de-paris]

Rio de Janeiro, originals above and the new "Riocard Mais" which covers a bunch of different systems (metro, bus, BRT, etc) below

[artsyfartsyloser]

SEPTA key card ( South Eastern Pennsylvania Transit Authority, Greater Philadelphia area)

[unnez]

Nimoca (Fukuoka prefecture, but works nationally like suica and passmo)

[f-a-b-l-e]

Anonymous OV-chipcard / Personal OV-chipcard (The Netherlands)

[woundability]

The Rapid’s Wave card (Grand Rapids, Michigan metro area)

[longlostpath]

t-kort (Trondheim Area, Norway)

[wtfduolingo]

SUBE (some provinces in Argentina)

[permanently-breedable]

@amtrak-official

[amtrak-official]

The design of Metro Cards is so fun and exciting, I need to start collecting them