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Chicago "L"
The Chicago "L", short for elevated, is Chicago's rapid transit system, run by the Chicago Transit Authority and known for the elevated Loop encircling downtown.
Chicago and North Western Transportation Company
The Chicago and North Western Transportation Company was an employee-owned holding company that operated the Chicago & North Western Railway from 1972 until Union Pacific bought it in 1995.
Chicago Transit Authority
The Chicago Transit Authority (CTA) is an independent government agency, created by Illinois in 1945, that operates Chicago's buses and the "L" rail system and 35 suburbs' transit.
Chicago Tunnel Company
The Chicago Tunnel Company, also known as the Chicago Freight Subway, ran a narrow-gauge electric freight railroad in tunnels under downtown Chicago from 1906 to 1959.
Chicago Union Station
Chicago Union Station is the principal passenger railroad terminal of Chicago, opened in 1925 at 255 South Canal Street and now Amtrak's busiest National Network hub.
Chiltern Railways
Chiltern Railways, operated by M40 Trains, is a British train company running services from London Marylebone to Birmingham Snow Hill, Stratford-upon-Avon, and Oxford since 1996.
China Railway (company)
China Railway, formally China State Railway Group (中国国家铁路集团有限公司), is the state-owned enterprise operating China's national railway network; it was created in 2013 when the Ministry of Railways was dissolved and took its current name in 2019.
China Railway CR200J
The China Railway CR200J, nicknamed the Green Giant (绿巨人), is a 160 km/h power-concentrated Fuxing electric multiple unit with a locomotive-style power car, entering service on China's conventional lines in January 2019.
China Railway CR450AF
The China Railway CR450AF is a prototype Chinese high-speed train built by CRRC Qingdao Sifang and unveiled in 2024, designed to run commercially at 400 km/h.
China Railway CR450BF
The China Railway CR450BF is a prototype high-speed trainset built by CRRC Changchun and unveiled in Beijing in December 2024, designed for 400 km/h commercial operation.
China Railway Express (freight service)
China Railway Express (中欧班列), also called the China-Europe Railway Express, is a containerized rail freight service between China and Europe, first run from Chongqing to Duisburg in 2011.
China Railways SS1
The China Railways SS1 (韶山1型, Shaoshan 1) was China's first mainline electric locomotive, developed at Zhuzhou from 1958 and built in 826 units by 1988.
China Railways SS8
The China Railways SS8 (韶山8型) is a four-axle passenger electric locomotive built by Zhuzhou Electric Locomotive Works, which set a Chinese speed record of 240 km/h in 1998.
China-Laos Railway
The China-Laos Railway is a 1,035 km electrified railway connecting Kunming, capital of China's Yunnan province, with Vientiane, the capital of Laos, opened on December 3, 2021.
China–Kyrgyzstan–Uzbekistan railway
The China–Kyrgyzstan–Uzbekistan railway is a roughly 530-kilometer rail link under construction from Kashgar, China, through Kyrgyzstan's Tien Shan mountains to Andijan, Uzbekistan, agreed in June 2024.
Chinese Train Control System
The Chinese Train Control System (CTCS, 中国列车运行控制系统) is the automatic train protection standard on China's railways, with levels CTCS-0 to CTCS-4; levels 2 and 3 run its high-speed network.
Chittaranjan Locomotive Works
Chittaranjan Locomotive Works is an Indian Railways production unit at Chittaranjan, West Bengal, which built steam, diesel, and now electric locomotives, producing a record 700 in 2024-25.
Chronology of railway station openings and closures by country
A per-country railway station chronology records when each nation's stations opened and closed, summarized by decade and year; Britain's counts show over 9,000 stations ever open and about 3,000 today.
Chūō Shinkansen (中央新幹線)
The Chūō Shinkansen, also called the Linear Shinkansen, is a planned superconducting maglev line from Tokyo to Osaka built by JR Central, with the Tokyo–Nagoya section projected to open in 2036.
Cincinnati Union Terminal
Cincinnati Union Terminal is a historic Art Deco railroad station in Cincinnati, Ohio, opened in 1933 to consolidate seven railroads' depots and now home to the Cincinnati Museum Center.
Circle line (London Underground)
The Circle line is a London Underground service running from Hammersmith once around a loop of Central London to Edgware Road, replacing the former closed circuit in 2009.
Circle MRT line
The Circle MRT line, or Circle Line, is a fully underground, driverless metro line in Singapore linking the other MRT lines, with 33 stations over 39 km.
City Hall station (IRT Lexington Avenue Line)
City Hall station (City Hall Loop), the ornate 1904 southern terminal of New York's first IRT subway line under City Hall Park; closed to passengers December 31, 1945, now a 6-train turnaround and National Register site.
ČKD
ČKD, short for Českomoravská-Kolben-Daněk, was a Czech engineering concern formed in Prague in 1927 that grew into one of Czechoslovakia's largest enterprises; its tram plant was the world's largest producer before the holding's 1998 bankruptcy.
Clapham Junction rail crash
The Clapham Junction rail crash, also known as the Clapham rail disaster, was a 1988 London collision between three trains that killed 35 people and injured nearly 500.
Clapham Junction railway station
Clapham Junction railway station is a major interchange in Battersea, London. Opened in 1863, it has 17 platforms, around 2,000 trains a day, and Britain's highest passenger interchanges.
Class E926 Shinkansen
The Class E926 Shinkansen, branded East i, is a six-car track and electrical inspection train that JR East has run on its Shinkansen network since 2001.
Classification yard
A classification yard, known in British and Indian usage as a marshalling yard, is a railway facility where freight cars are sorted by destination and reassembled into new outbound trains, often over a hump.
Climax locomotive
The Climax locomotive was a geared steam locomotive whose two cylinders drove a central transmission and every wheel, built in Corry, Pennsylvania, from 1888 to 1928 for logging railroads.
Clock-face scheduling
Clock-face scheduling, also called a cyclic timetable or Taktfahrplan, plans public transport so trains depart at the same minute each hour, making departure times easy to remember.