Rapid transit
high-capacity public transport generally used in urban areas
Karaj Metro
Ahvaz Metro
Isfahan Metro
Tabriz Metro
Bay Area Rapid Transit
Mersin Metro
Thane Metro
Jaipur Metro
Manila Metro Rail Transit System
Bucharest Metro
Metro de Concepción
Seoul Subway
Kanpur Monorail
Hamburg U-Bahn
Hyderabad Metro
Mumbai Metro
Shenyang Metro
Cebu Light Rail Transit System
Medellín Metro
Guangzhou Metro
Lucknow Metro
MARTA rail
Mass Rapid Transit
Kharkiv Metro
Tokyo Metro
Cairo Metro
Sendai Subway
Berlin U-Bahn
Lausanne Metro
Federal District Metro
Rotterdam Metro
Nagpur Metro Rail
Nuremberg U-Bahn
Kaohsiung Metro
Taipei Metro
Tehran Metro
Vilnius Metro
Algiers Metro
Kyoto Municipal Subway
Milan Metro
Sapporo Municipal Subway
Lisbon Metro
Naples Metro
Ankara Metro
Yekaterinburg Metro
Surat Metro
Metro-2
New York City Subway
Chicago 'L'
Dhaka Subway