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Isle of Man Railway
The Isle of Man Railway, also called the Isle of Man Steam Railway, is a 3 ft narrow gauge railway opened in 1873 to link Douglas with Peel and Port Erin.
Isle of Wight Steam Railway
The Isle of Wight Steam Railway is a heritage railway and educational charity founded in 1971, running about 5 miles of former main line near Havenstreet.
Israel Railways
Israel Railways (Hebrew: רכבת ישראל, Rakevet Yisra'el) is the state-owned company operating Israel's passenger and freight trains across 72 stations, carrying about 70 million trips a year.
Istanbul Metro
The Istanbul Metro (Istanbul Subway) is Istanbul's rapid transit network, operated by Metro Istanbul since 1989, carrying over 3 million passengers a day across metro, tram, and funicular lines.
Italo (train)
Italo is the brand name of the high-speed trains operated by Nuovo Trasporto Viaggiatori, Italy's first private high-speed rail operator, which began competing with Trenitalia in 2012.
Jabodebek LRT
Jabodebek LRT, or LRT Jabodebek, is a driverless light rail system connecting Jakarta with Depok and Bekasi in Indonesia, opened in 2023 and operated by Kereta Api Indonesia.
Jackshaft (locomotive)
A jackshaft is a locomotive crankshaft, mounted in the frame and carrying no wheels, that passes motor power to the driving axles through side rods.
Jammu railway division
The Jammu railway division, inaugurated by Prime Minister Narendra Modi in January 2025 and effective from June, is the 70th division of Indian Railways, headquartered at Jammu Tawi and serving Kashmir.
Jammu Tawi–Srinagar Vande Bharat Express
The Jammu Tawi–Srinagar Vande Bharat Express, also called the SMVD Katra–Srinagar service, is an Indian Railways semi-high-speed train linking Jammu and Srinagar directly, flagged off in April 2026.
Jammu–Baramulla line
The Jammu–Baramulla line, known as the Udhampur Srinagar Baramulla Railway Link (USBRL), connects Jammu Tawi to Baramulla, first linking the Kashmir Valley to India's rail network in 2025.
Janney coupler
The Janney coupler, also known as the knuckle coupler, is the automatic railroad coupler patented by Eli H. Janney of Virginia in 1873, letting cars couple on impact without a worker between them.
Japan Railways Group (JRグループ)
Japan Railways Group (JR Group) is seven private railway companies formed in 1987 when Japan privatized Japanese National Railways: six regional passenger operators and JR Freight.
Japan Railways locomotive numbering and classification
Japan Railways locomotive numbering and classification is the system of class codes identifying locomotives on Japan's railways, first standardized in 1909 and still used by the JR companies.
Japanese electric locomotives
Japanese electric locomotives are the mainline electric traction fleet of Japan's national and private railways, including the ED75, EF58, and EF81 classes; EF58 61 still hauls the imperial train.
Japanese locomotive and multiple-unit classification
Japanese locomotive and multiple-unit classification is a family of systems in which JNR locomotive class letters encode driving axles and multiple-unit series are named for their leading motor coach.
Japanese National Railways
Japanese National Railways (日本国有鉄道, Kokutetsu) was the public corporation that ran Japan's railways from 1949 to 1987, opening the first high-speed shinkansen line in 1964.
Java railway construction
Java railway construction was the building of Java's rail network under Dutch colonial rule, begun at Semarang in 1864 and reaching 5,473 km by 1928.
Jenbacher
Jenbacher is an Austrian engine manufacturer based in Jenbach, Tyrol, known for diesel locomotives built from 1949 to 1999 and today as INNIO's Jenbacher gas engine brand.
Jersey Arrow
The Jersey Arrow is a family of electric multiple unit railcars for New Jersey's electrified commuter rail lines, comprising the Arrow I, II, and III series, introduced in 1968.
Jingguang Railway
The Jingguang Railway (京广线) is a Chinese trunk railway connecting Beijing with Guangzhou, about 2,324 km long and formed in 1957 by joining two earlier lines at Wuhan.
JNR Class C62
The JNR Class C62 (C62形) was a Japanese 4-6-4 express passenger steam locomotive built in 1948 and 1949, hauling flagship limited expresses on the Tokaido and Sanyo main lines.
JNR Class D51
The JNR Class D51 (D51形), nicknamed Degoichi, is a Japanese 2-8-2 tender steam locomotive built for freight from 1936, with 1,115 units built, the most numerous single class in Japan.
Johannesburg Park Station
Johannesburg Park Station, commonly called Park Station, is the principal railway station of Johannesburg, South Africa, serving Metrorail commuter, Shosholoza Meyl long-distance, and Gautrain services.
John Bull (locomotive)
The John Bull is an 1831 steam locomotive built by Robert Stephenson and Company for the Camden and Amboy Railroad, now displayed at the Smithsonian in Washington, D.C.
JR Central
JR Central, formally the Central Japan Railway Company, is the Japanese railway company operating the Tokaido Shinkansen between Tokyo, Nagoya, and Osaka, established in 1987.
Jungfrau Railway
The Jungfrau Railway (German: Jungfraubahn) is a cogwheel railway in the Swiss Alps, opened in 1912, running from Kleine Scheidegg to the Jungfraujoch, Europe's highest station at 3,454 meters.
KAFD metro station (محطة قطار كافد)
KAFD metro station (محطة قطار كافد) is an elevated interchange station on the Riyadh Metro, serving Lines 1, 4, and 6 in the King Abdullah Financial District in Riyadh.
Kamakhya–Howrah Vande Bharat Sleeper Express
The Kamakhya–Howrah Vande Bharat Sleeper Express is an overnight semi-high-speed service linking Howrah in West Bengal with Kamakhya in Guwahati, Assam, using India's first Vande Bharat Sleeper trainsets.
Kansas City Southern
Kansas City Southern was an American Class I freight railroad connecting the central United States with Mexico, acquired by Canadian Pacific in 2023 to form CPKC.
Kaohsiung Metro (高雄捷运)
Kaohsiung Metro, also known as Kaohsiung MRT, is the rapid transit system of Kaohsiung, the largest city in southern Taiwan, operated by KRTC with Red and Orange Lines opened in 2008.