Purple Line may refer to:
Public transit
Africa
Purple Line (Lagos Transit)
Asia India Line 3 (Chennai Metro), Chennai, India Purple Line (Namma Metro), Bengaluru, India Purple Line (Kolkata Metro), India Purple Line (Mumbai Metro), India Purple Line (Pune Metro), India
Others Purple Line (Bangkok), Thailand Purple Line (Dubai Metro), Dubai Metro Tseung Kwan O line, Hong Kong LRT Line 2 (Metro Manila), Manila, Philippines Line 6 (Riyadh Metro), Riyadh, Saudi Arabia, Also referred to as Violet Line Seoul Subway Line 5, Seoul, South Korea North East Line, Singapore Taoyuan Airport MRT, Taoyuan, Taiwan Purple Line (Tel Aviv Light Rail), light-rail line under construction in Tel Aviv, Israel
United Kingdom Sheffield Supertram Purple Line, a tram line in Sheffield, England Elizabeth Line, London, England
Germany U6 (Berlin U-Bahn), Berlin
North America Purple Line (CTA), an elevated train line in Chicago, Illinois, U.S. Purple Line (IndyGo), a bus rapid transit line in Indianapolis, Indiana, U.S. Purple Line (Maryland), a light rail line currently under construction in Maryland counties bordering Washington, D.C. Purple Line (Mexico City Metro), Mexico Purple Line (Mexico City Metrobús), Mexico Purple Line (San Diego Trolley), a proposed light rail line in San Diego County, California, U.S. Purple Line (Pittsburgh), Pittsburgh, Pennsylvania, U.S. E Line (RTD), a light rail line in and near Denver, Colorado, U.S. N Line (RTD), a commuter rail line in and near Denver, Colorado, U.S. IRT Flushing Line, a rapid transit line in New York City, serving the 7 <7> trains M (SEPTA Metro), Norristown High Speed Line or Purple Line, an interurban light rapid transit line near Philadelphia, Pennsylvania, U.S. MBTA Commuter Rail or Purple Line, in the Boston area, Massachusetts, U.S. Line 4 Sheppard, a subway line in Toronto, Ontario, Canada Viva Purple, a bus rapid transit line in the Regional Municipality of York, Ontario, Canada D Line (Los Angeles Metro), a subway line in Los Angeles, California, U.S. Metro Bronze Line (Minnesota), formerly Purple Line, proposed bus rapid transit line in Saint Paul, Minnesota, U.S. Purple Line (BART), former rapid transit line serving San Francisco International Airport, California, U.S. Purple Line (VTA), former light rail line in San Jose, California, U.S.
Road transportation Purple Belt (Pittsburgh), Pittsburgh, Pennsylvania
Other uses Purple Line (ceasefire line), the 1967 ceasefire line on the Golan Heights "Purple Line" (song), a 2008 song by TVXQ The Purple Line, the debut novel of Indian author, Priyamvada N Purushotham Line of purples, a part of the CIE chromaticity diagram