Gray Line
Template:Sister project Gray Line or Grey Line may refer to:
Transportation
- Gray Line Worldwide, an international sightseeing bus operator
- Grey Line (Bangkok), a planned monorail line in Bangkok, Thailand
- Grey Line (Delhi Metro), Delhi, India
- Gray Coach, a former Canadian inter-city bus line based in Toronto
- E Embarcadero, San Francisco, California
- Jubilee line, London, England
- Line 6 Finch West, Toronto, Canada
- Line 9 (Shenzhen Metro), Shenzhen, China
- Metro (Minnesota), lettered lines are color-coded "METRO Gray", Minneapolis—Saint Paul, Minnesota
- Olympic Park railway line, Sydney, Australia
- Pujiang line, Shanghai, China
- Serpukhovsko-Timiryazevskaya line, known as the Grey Line, Moscow, Russia
- Silver Line (DART), a commuter rail line in Texas
- Silver Line (Grand Rapids), Grand Rapids, Michigan
- Lynx Silver Line, a proposed transit extension in Charlotte, North Carolina
- Silver Line (MBTA), a system of bus lines in Boston, Massachusetts
- METRORapid Silver Line, Houston, Texas
- Silver Line (Mexico City), Mexico City
- Silver Line (San Diego Trolley), a heritage streetcar line operated by the San Diego Trolley
- Silver Line (Washington Metro), a rapid transit line of the Washington Metro system
- HealthLine, Cleveland, Ohio
- J Line (Los Angeles Metro), formerly the Silver Line, Los Angeles, California
- Silver Line (Pittsburgh), a light rail line of the Pittsburgh Light Rail system
New York City Subway
- BMT Canarsie Line
- L (New York City Subway service)
- S (New York City Subway service), three separate rapid transit subway shuttles
Other uses
- Grayline lascar
- Terminator (solar) or grey line, delimiting the illuminated and dark sides of a planetary body