Green Line
- 1 Line (Sound Transit)
- Addis Ababa Light Rail
- Albuquerque Rapid Transit
- Art on a Green Line
- B Line (RTD)
- Barcelona Metro line 3
- Bucharest Metro Line M4
- C Line (Los Angeles Metro)
- Cairo Metro Line 3
- Chico, California
- Chūō Line (Osaka)
- City Line (Jerusalem)
- D Line (RTD)
- District line
- Dzerzhinskaya Line
- East West MRT line
- Emerald Express
- First Coast Flyer
- GHQ Line
- Gothic Line
- Green Belt (Pittsburgh)
- Green Bus Lines
- Green Line (Atlanta development corridor)
- Green Line (BART)
- Green Line (Baltimore)
- Green Line (CTA)
- Green Line (Calgary)
- Green Line (CapMetro)
- Green Line (Chennai Metro)
- Green Line (DART)
- Green Line (Delhi Metro)
- Green Line (Doha Metro)
- Green Line (Dubai Metro)
- Green Line (France)
- Green Line (Hyderabad Metro)
- Green Line (Israel)
- Green Line (Jerusalem Light Rail)
- Green Line (Kolkata Metro)
- Green Line (Lagos Transit)
- Green Line (Lebanon)
- Green Line (Lisbon Metro)
- Green Line (Luas)
- Green Line (MARTA)
- Green Line (MBTA)
- Green Line (Mexico City Metro)
- Green Line (Mexico City Metrobús)
- Green Line (Miami Metrorail)
- Green Line (Montreal Metro)
- Green Line (Mumbai Metro)
- Green Line (Namma Metro)
- Green Line (Pittsburgh)
- Green Line (RTA Rapid Transit)
- Green Line (SacRT)
- Green Line (San Diego Trolley)
- Green Line (St. Louis MetroLink)
- Green Line (Stockholm Metro)
- Green Line (TRAX)
- Green Line (Taipei Metro)
- Green Line (Tel Aviv Light Rail)
- Green Line (The Vine)
- Green Line (VTA)
- Green Line (Washington Metro)
- Green Line (film)
- Green Line - Karachi Metrobus
- Green Line Coach Station
- Green Line Coaches
- Green Line Express
- Green Line Rivalry
- Green Line route 724
- Green Line route 797
- Green Line routes X1 and X10
- Green Star Line
- Green Stripe
- Green line (Taichung MRT)
- Green line (Taoyuan Metro)
- Green-and-Gray Line (Mexico City Metro)
- Greenline (Pennsylvania)
- Greenline Express
- Gyeongchun Line
- Gyeongui-Jungang Line
- IND Crosstown Line
- IRT Lexington Avenue Line
- KA Commuter line Tanah Abang–Rangkasbitung
- Kwun Tong line
- Lagos Rail Mass Transit
- Line 1 (Daejeon Metro)
- Line 1 (Gwangju Metro)
- Line 12 (Shanghai Metro)
- Line 2 (Busan Metro)
- Line 2 (Daegu Metro)
- Line 2 (O-Train)
- Line 2 (Rio de Janeiro)
- Line 2 (Seoul)
- Line 2 (São Paulo Metro)
- Line 2 of the Guadalajara urban rail system
- Line 4 (Budapest Metro)
- Line 4 (Guangzhou Metro)
- Line 5 (Madrid Metro)
- Line 5 (Riyadh Metro)
- Line 7 (Seoul)
- Line 8 (Beijing Subway)
- Line A (Prague Metro)
- Line M2 - Milan Subway (Metropolitana di Milano)
- Lyon Metro Line D
- M1 (Copenhagen)
- MAX Green Line
- METRORail Green Line
- Manila Light Rail Transit System Line 1
- Metro Green Line (Minnesota)
- Mi Teleférico
- Nevsko-Vasileostrovskaya Line
- New York Railways Corporation
- Oleksiivska Line
- Olive Line (Mexico City Metro)
- Olive Line (Mexico City Metrobús)
- Operation Greenline
- Porto Metro
- RER D
- SEPTA subway–surface trolley lines
- Saturn Aura
- Saturn Vue
- Seohae Line
- Shelby Farms Greenline
- Silom line
- Sukhumvit line
- Swift Green Line
- Syretsko–Pecherska line
- TOMA (Caldas da Rainha)
- Tokyo Metro Chiyoda Line
- Trinity Railway Express
- Tyne and Wear Metro
- Tōkyū Tōyoko Line
- United Nations Buffer Zone in Cyprus
- Virginia Beach, Virginia
- Viva Green
- WEGO Niagara Falls Visitor Transportation
- Waterbury and Milldale Tramway
- Yokohama Municipal Subway Green Line
- Yongin Everline
- Zamoskvoretskaya line