Metropolitan railways are also listed here, either by city or transit network.
See also: railways by network/operator.

Europe

Great Britain

• London Underground
  • Bakerloo line / Jubilee line / Northern line
• Great Western main line
• South Western main line
• Arun Valley line (Sussex)
• Sutton & Mole Valley line (London & Sussex)
• Heritage railways:
  • North Yorkshire Moors Railway

Sweden

• Stockholms Pendeltåg | commuter rail
• Stockholms Tunnelbanan | metro
  • Blå linjen / Gröna linjen / Röda linjen
• Södra stambanan | southern main line (Malmö-Katrineholm)
• Västra stambanan | western main line (Göteborg-Stockholm)

Germany

• Berlin S-Bahn | commuter rail
  • S41 & S42
• Berlin U-Bahn | metro
  • U2 / U6
• Hamburg U-Bahn | metro
  • U1 / U3

Italy

• Metro di Milano
  • M1

North America

Canada

• Métro de Montréal
  • Ligne orange / Ligne vert

USA

• BART (Bay Area Rapid Transit)
  • Market Street Subway
• Chicago ‘L’
  • Blue line / Brown line
• Amtrak “California Zephyr” (Chicago-Emeryville)