Line segment, Nekrasovskaya line, A Line, Line, Line (geometry), Line (software), Gawler line, Koltsevaya line, Shōnan–Shinjuku Line, Tōyoko Line, Tanimachi Line, Jubilee line, Saikyō Line, Keihin–Tōhoku Line, Meijō Line, Seaford line, Borderlands line, Sokolnicheskaya line, Chūō-Sōbu Line, Yanchep line, Ballarat line, Midōsuji Line, Deniliquin railway line, Tokyo Metro Marunouchi Line, Shinbundang Line, Tōkaidō Main Line, Capital Line, Nambu Line, Flinders line, Bernhardt Line, Jōban Line, Mattapan Line, Minatomirai Line, Geibi Line, Ship of the line, Ōme Line, Seohae Line, Sakaisuji Line, Sørlandet Line, Wenhu line, Zamoskvoretskaya line

Pujiang line, Imazatosuji Line, Filyovskaya line, Taitung line, Kalininsko-Solntsevskaya line, San'yō Main Line, Gippsland line, On the Line, Seoul Subway Line 5, Pink Line (Bangkok), Pyongnam Line, Yokosuka Line, Hōjō Line, Line graph, Metro Line, Warrnambool line, Ōu Main Line, San'in Main Line, Ueno–Tokyo Line, Millennium Line, Seoul Subway Line 2, Hamgyong line, Robinvale railway line, Tokyo Metro Yūrakuchō Line, Jharsuguda–Vizianagaram line, Maskoŭskaja line, Belfast–Dublin line, Gold Line (MARTA), Gunsan Hwamul Line, Metropolitan line, Salpa Line, Hengqin line, Armadale line, Kamiiida Line, Glossop line, Chengjiao line, Rhondda line, A Line (Los Angeles Metro), Eastern Suburbs & Illawarra Line, Sunbury line, Suzuka Line, Poacher Line, Buxton line, Sønderborg Line, Nara Line (Kintetsu), Xinbeitou branch line, Tsugaru-Kaikyō Line, Bannan line, Ellenbrook line, A–A line

Line segment, Nekrasovskaya line, A Line, Line, Line (geometry), Line (software), Gawler line, Koltsevaya line, Shōnan–Shinjuku Line, Tōyoko Line, Tanimachi Line, Jubilee line, Saikyō Line, Keihin–Tōhoku Line, Meijō Line, Seaford line, Borderlands line, Sokolnicheskaya line, Chūō-Sōbu Line, Yanchep line, Ballarat line, Midōsuji Line, Deniliquin railway line, Tokyo Metro Marunouchi Line, Shinbundang Line, Tōkaidō Main Line, Capital Line, Nambu Line, Flinders line, Bernhardt Line, Jōban Line, Mattapan Line, Minatomirai Line, Geibi Line, Ship of the line, Ōme Line, Seohae Line, Sakaisuji Line, Sørlandet Line, Wenhu line, Zamoskvoretskaya line, Pujiang line, Imazatosuji Line, Filyovskaya line, Taitung line, Kalininsko-Solntsevskaya line, San'yō Main Line, Gippsland line, On the Line, Seoul Subway Line 5, Pink Line (Bangkok), Pyongnam Line, Yokosuka Line, Hōjō Line, Line graph, Metro Line, Warrnambool line, Ōu Main Line, San'in Main Line, Ueno–Tokyo Line, Millennium Line, Seoul Subway Line 2, Hamgyong line, Robinvale railway line, Tokyo Metro Yūrakuchō Line, Jharsuguda–Vizianagaram line, Maskoŭskaja line, Belfast–Dublin line, Gold Line (MARTA), Gunsan Hwamul Line, Metropolitan line, Salpa Line, Hengqin line, Armadale line, Kamiiida Line, Glossop line, Chengjiao line, Rhondda line, A Line (Los Angeles Metro), Eastern Suburbs & Illawarra Line, Sunbury line, Suzuka Line, Poacher Line, Buxton line, Sønderborg Line, Nara Line (Kintetsu), Xinbeitou branch line, Tsugaru-Kaikyō Line, Bannan line, Ellenbrook line, A–A line, Yamada Line (Kintetsu), Kakhovskaya line, Chollima Line, Watford DC line, Pyeongwon Line, Number line, Osaka Loop Line, Yotsubashi Line, Daiyūzan Line, Østfold Line, Belair line, Valley Line (Edmonton), Yangluo Line, Thornlie–Cockburn line, Pyongra Line, Seymour line, Circle Line (Singapore), Cumberland Line, Piccadilly line, R Line (RTD), Relief Line (Toronto), BMT Canarsie Line, Shah Alam line, Kōtoku Line, Miyazu Line, Line of battle, Green Line (MARTA), Leeds–Morecambe line, Batong line, Sealdah–Bangaon line, Craigieburn line, Awtazavodskaya line, Lyublinsko-Dmitrovskaya line, Hitler Line, Taipa line, Sennichimae Line, METRORapid Silver Line, Distance line, South Island line, Geelong line, Caboolture railway line, Newton–Gauss line, Bright-line rule, District line, Varsity Line, Biryulyovskaya line, Hokusō Line, Putrajaya line, Gyeonggang Line, Cranbourne line, Røa Line, Bendigo line, Line card, Alamein line, Gainsborough line, Red Line (MARTA), Line level, Barcelona–Vallès Line, Tsuen Wan line, Serpukhovsko-Timiryazevskaya line