Gray Line

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

Grayline lascar
Terminator (solar) or grey line, delimiting the illuminated and dark sides of a planetary body
The Long Gray Line