Circle Line

• Berlin Ringbahn
• Cathcart Circle Lines
• Chicago 'L'
• Circle Line Downtown
• Circle Line Sightseeing Cruises
• Circle MRT line
• Circle line (London Underground)
• Circular light rail
• Circular line (Taipei Metro)
• City Circle
• City Circle Line
• City Circle tram
• City Loop
• Fife Circle Line
• Glasgow Subway
• Inner Circle railway line
• Koltsevaya line
• Line 10 (Beijing Subway)
• Line 11 (Guangzhou Metro)
• Line 12 (Madrid Metro)
• Line 2 (Beijing Subway)
• Line 4 (Shanghai Metro)
• Line 5 (Zhengzhou Metro)
• Line 6 (Madrid Metro)
• Line 7 (Chengdu Metro)
• List of ring roads
• Loop line (Chongqing Rail Transit)
• MRT Blue Line
• MRT Circle Line
• Meijō Line
• Moscow Central Circle
• Osaka Loop Line
• Outer Circle railway line
• Ring Line (Oslo)
• Ring Rail Line
• Ring road
• Sapporo Streetcar
• Seoul Subway Line 2
• Toei Ōedo Line
• Toyama City Tram Line
• Yamanote Line
• Yangon Circular Railway
• circle route
• public transport
• Łódzka Kolej Aglomeracyjna