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Regional rail
Transit systems tagged with regional rail in Mike's authored notes.
Amsterdam Metro
Amsterdam · Metro
Traveler notes on Amsterdam transit: trams for the canal city, NS trains for airport and regional jumps, OVpay everywhere, and the deep Line 52 metro spine.
Amsterdam Metro
Amsterdam · Metro
Badner Bahn
Vienna · Light rail
Traveler notes on the Badner Bahn: Vienna-to-Baden tram-train, separate tickets beyond Vienna, and the practical spa-town day-trip pattern.
Badner Bahn
Vienna · Light rail
Barcelona Metro
Barcelona · Metro
Traveler notes on Barcelona's metro: TMB and FGC as one practical network, T-Casual basics, the awkward airport branch, trams, and the city's unfinished rail geometry.

Barcelona Metro
Barcelona · Metro
DART
Dublin · Commuter rail
Traveler notes on the DART: Dublin's coastal rail, Leap Card use, Howth and Bray day trips, and why it is different from Luas.
DART
Dublin · Commuter rail
Lisbon Metro
Lisbon · Metro
Traveler notes on Lisbon Metro: the airport Red Line, Viva Viagem/Navegante tickets, bank-card taps on metro gates, and why the trams and hills still shape the trip.

Lisbon Metro
Lisbon · Metro
London Transit
London · Metro
London on one fare: the Tube, DLR, Elizabeth line, and Overground, contactless and Oyster, Heathrow and City airport links, and step-free access that varies by station age.

London Transit
London · Metro
New Taipei Metro
Taipei · Light rail
Traveler notes on New Taipei Metro: light-rail/orbital services around Taipei, EasyCard payment, and why most visitors still start with Taipei Metro.
New Taipei Metro
Taipei · Light rail
New York City Subway
New York City · Metro
Traveler notes on the New York City Subway: OMNY, 24-hour service, express versus local trains, airport connections, and why it is the only sane way to cross Manhattan.
New York City Subway
New York City · Metro
Paris Métro
Paris · Metro
Traveler notes on the Paris Métro: one of the best networks anywhere for getting around, cramped and stair-heavy with bags, and mid-switch from paper tickets to the Navigo Easy card and phone app.
Paris Métro
Paris · Metro
Rotterdam Metro
Rotterdam · Metro
Traveler notes on Rotterdam Metro: RET/OVpay, the Den Haag line, Hoek van Holland beach rail, and why the metro matters more here than in Amsterdam.
Rotterdam Metro
Rotterdam · Metro
Seoul Subway
Seoul · Metro
Traveler notes on the Seoul Subway: T-money, exit numbers, Line 2, airport transfer logic, and why the city feels easier than its size.
Seoul Subway
Seoul · Metro
Taipei Metro
Taipei · Metro
Traveler notes on Taipei Metro: EasyCard as the default, bank-card gates where supported, clean city coverage, and the split from Taoyuan Airport MRT.
Taipei Metro
Taipei · Metro
Taoyuan Metro
Taipei · Rail
Traveler notes on Taoyuan Airport MRT: express and commuter trains between TPE and Taipei, EasyCard/payment options, and the Taipei Main transfer.
Taoyuan Metro
Taipei · Rail
Tokyo Metro and Toei Subway
Tokyo · Metro
Traveler notes on Tokyo Metro and Toei Subway: Suica, Tap to Ride limits, JR versus subway, the Yamanote planning loop, and the deep Oedo Line.
Tokyo Metro and Toei Subway
Tokyo · Metro