Transportation

Interstate H-2 (Veterans Memorial Freeway) Interstate H-2 Intrastate Interstate on Oʻahu, Hawaii. H-2 connects Pearl City with Wahiawā, serving civilian commuters and nearby military installations; known as the Veterans Memorial Freeway a…

Interstate H-3 — Oʻahu's trans-Koolau freeway Interstate H-3 Interstate H-3 is a 15.32-mile freeway on Oʻahu, Hawaii, linking the leeward corridor with the windward side via long viaducts and tunnels through the Koʻolau Range.

Interstate Highway System (United States) Interstate Highway System The nationwide network of controlled‑access highways created mid‑20th century to connect American cities, support defense and commerce, and standardize long‑distance road travel.

Interstate Highways in Alaska Overview of Alaska’s Interstate Highway designations, their characteristics, history, and how they differ from contiguous‑U.S. Interstates.

Inverted roller coaster A roller coaster style in which trains run beneath the track and riders' legs dangle; popularized by Swiss firm Bolliger & Mabillard in the early 1990s and known for smooth, intens…

Ipswich railway station: Suffolk’s principal rail hub Ipswich railway station Main railway station serving Ipswich in Suffolk, England. Overview of services, layout, history, facilities, and its role as a regional transport and freight junction.

Iran Air Flight 227 Overview and context for Iran Air Flight 227, noting common confusion with the 2011 Urmia accident (Iran Air Flight 277) and summarizing the aircraft, route, and circumstances of t…

Iran Air Flight 655 — 1988 Downing of a Civilian Airliner Iran Air Flight 655 Iran Air Flight 655 was a Tehran–Dubai passenger service shot down by the USS Vincennes over the Persian Gulf on 3 July 1988, killing all 290 aboard. The event led to international…

Iraqi Airways Iraqi Airways, the national airline of Iraq founded in 1945, is the country’s flag carrier. This article summarizes its history, network development, operational interruptions, and…

Ironworkers Memorial Second Narrows Crossing Steel crossing of Burrard Inlet linking Vancouver and the North Shore; notable for a 1958 construction collapse that killed 19 workers and for its memorial dedication in 1994.

IRT Broadway–Seventh Avenue Line Major north–south trunk of the IRT division in Manhattan, served by the numbered 1, 2 and 3 trains (tomato red). Runs beneath Broadway and Seventh Avenue and links several major tr…

IRT Flushing Line (7 train) — New York City Subway IRT Flushing Line Rapid transit route of the New York City Subway, the purple‑colored 7 service linking Flushing, Queens, with Midtown Manhattan and notable for its cultural corridor.

IRT Lexington Avenue Line The IRT Lexington Avenue Line is the New York City Subway’s busiest east‑side trunk, opened in 1904; it carries the 4, 5 and 6 services and is identified by apple‑green route color…

Ishinomaki Line (JR East regional railway) Ishinomaki Line Regional railway in Miyagi Prefecture operated by JR East, running between Kogota and Onagawa and linking inland lines to the Pacific coast; notable for local services and 2011 tsu…

Island Gardens DLR station Island Gardens is a Docklands Light Railway (DLR) station on the Bank–Lewisham route at the southern tip of the Isle of Dogs, adjacent to Island Gardens park and the Greenwich foot…

Isuzu Rodeo — mid-size SUV produced 1991–2004 Isuzu Rodeo Comprehensive overview of the Isuzu Rodeo: development, engines, safety history, market reception, variants, and replacement by the Ascender (badge-engineered GMC Envoy) in 2005.

Iveco Daily — Light commercial vehicle series Iveco Daily The Iveco Daily is a long-running family of light commercial vehicles introduced in 1978. Produced in multiple generations, it includes vans, minibuses and chassis-cabs for diverse…

Jaguar F-Type (X152) — British two-seat sports car Jaguar F-Type Two-door, two-seat sports car by Jaguar Land Rover introduced in the 2010s. Available as a convertible and coupe, it combines modern performance engines, lightweight design cues an…

Jalan Besar MRT Station (DT22): Overview, location and connections Jalan Besar MRT station Jalan Besar MRT (DT22) is an underground Downtown Line station in Rochor, Singapore. Serves Jalan Besar area near Sungei Road market; offers accessibility features and short walks…

Japanese state carriages (Imperial horse‑drawn coaches) Japan state carriages Horse‑drawn ceremonial carriages used by Japan's Imperial Household for state events, ambassador presentations, enthronements and weddings; retained as symbols of tradition and pag…

Japanese railways: network, history, and significance Japanese railways Overview of Japan's rail network, from local commuter lines to the Shinkansen high-speed system, covering history, operation, uses, and notable features.

Jaywalking: pedestrian street crossing, laws, safety, and history Jaywalking Crossing a roadway outside marked crossings or against signals. Covers definitions, legal approaches, safety implications, history of the term, enforcement variations, and urban de…

Jeep Wrangler: overview, design, history and uses Jeep Wrangler Compact, body-on-frame off-road SUV derived from the WWII Willys Jeep; known for removable tops and doors, solid-axle capability, multiple generations and wide aftermarket support.

Jefferson Station (SEPTA) Major underground SEPTA Regional Rail station in Philadelphia's Market East; opened 1984 as part of the Center City Commuter Connection and renamed Jefferson Station in 2014.

Jerusalem Central Bus Station — main transit hub in western Jerusalem Jerusalem Central Bus Station Primary public bus terminal in Jerusalem located on Jaffa Street near Binyanei HaUma and the Chords Bridge; a multimodal interchange for local, intercity and regional services.

Jerusalem Light Rail (Red Line) — overview, history, and significance Jerusalem Light Rail The Jerusalem Light Rail is a modern urban tram system serving Jerusalem. This article covers its route, design, construction history, operations, and notable features such as the…

Jet aircraft: design, history, and uses Jet aircraft An overview of jet aircraft, their engines and parts, development history, main uses in civil and military aviation, and distinctions from propeller-driven airplanes.

Jetstar Airways — Australian low-cost carrier Jetstar Airways Jetstar Airways is a low-cost airline launched by Qantas to serve domestic and regional markets in the Asia–Pacific, operating a point-to-point network from its Melbourne base and…

John Seigenthaler Pedestrian Bridge A long steel truss bridge across the Cumberland River in Nashville, converted to a pedestrian promenade and renamed for journalist John Seigenthaler in 2014.

Jomo Kenyatta International Airport (Nairobi) — overview, facilities, and history Jomo Kenyatta International Airport Major international airport serving Nairobi, Kenya. Overview of location, codes, terminals, history, airlines, transport links, development projects and regional importance.

Joo Koon MRT station (EW29) Joo Koon MRT station Joo Koon MRT station (EW29) is a western Singapore stop on the East West Line serving industrial areas and acting as a turnback and transfer point since the Tuas West Extension.

Joondalup line (Perth suburban rail) Joondalup line Electrified suburban railway serving Perth's northern suburbs. Opened in 1992 and extended through the 1990s–2000s, it is a major component of the Transperth network and links thro…

Jubilee line (London Underground) Jubilee line The Jubilee line is a deep-level tube line of the London Underground, running roughly northwest–east across the city and serving central interchanges and the Canary Wharf and Strat…

Junction: where roads, railways and other lines meet Junction A junction is a place where linear networks—roads, railways, pipes or circuits—connect. This article explains types, components, history, design and distinctions between at‑grade a…

Junk (ship): traditional Chinese sailing vessel Junk (ship) A junk is a traditional Chinese sailing ship type notable for its battened sails, compartmentalized hull, and long use in East and Southeast Asian trade, fishing, warfare and explo…

Jurong East MRT Station (NS1/EW24) Jurong East MRT station Major MRT interchange in western Singapore serving the North South and East West lines, known for its elevated triple island platform layout and connections to local bus services a…

Jurong Region Line (Singapore MRT) Jurong Region MRT line The Jurong Region Line is a fully elevated Mass Rapid Transit line in western Singapore, planned to open in stages from 2026. It connects Choa Chu Kang, Jurong Pier, Peng Kang Hill…

Kallang MRT station (EW10) — Singapore Kallang MRT station Kallang MRT (EW10) is an elevated East West Line station beside the Kallang River, serving the Kallang district, nearby sports facilities and riverside recreation with bus and pede…

Kangkar LRT Station (SE4) — Sengkang Light Rail, Singapore Kangkar LRT Station Kangkar LRT Station (SE4) is a stop on the east loop of the Sengkang LRT Line in Sengkang, Singapore. Opened 18 January 2003, it provides local feeder connections within the town.

Kansas Turnpike: the tolled roadway linking southern and eastern Kansas Kansas Turnpike A state-owned toll road spanning central Kansas from the Oklahoma line to Kansas City. Built in the 1950s and managed by the Kansas Turnpike Authority, it forms sections of several…

Karakoram Highway (China–Pakistan) Karakoram Highway An international mountain highway linking Kashgar in China to Hasan Abdal in Pakistan; a high-altitude trade route, engineering landmark and popular tourist corridor through the Ka…

Kawasaki Heavy Industries & CRRC Sifang C151C (Singapore MRT trains) Kawasaki Heavy Industries & CRRC Sifang C151C Sixth-generation C151C electric multiple units built by Kawasaki Heavy Industries with CRRC Qingdao Sifang. Twelve trains delivered 2017–2019 for Singapore's North–South and East–W…

Kawasaki Heavy Industries & CSR Qingdao Sifang C151A MRT trains Kawasaki Heavy Industries & CSR Qingdao Sifang C151A Fourth-generation C151A electric multiple units built by Kawasaki and CSR Qingdao Sifang for Singapore's MRT, introduced in 2011 and deployed on the North–South and East–West Lines…

Kawasaki Heavy Industries & CSR Qingdao Sifang C151B (Singapore MRT) Kawasaki Heavy Industries & CSR Qingdao Sifang C151B Overview of the Kawasaki & CSR Qingdao Sifang C151B trains: design, manufacturing, service rollout on Singapore's North–South and East–West MRT lines, passenger systems and operati…

Kawasaki Heavy Industries & Nippon Sharyo C751B (Singapore MRT third generation) Kawasaki Heavy Industries & Nippon Sharyo C751B C751B is the third-generation MRT train type in Singapore built by Kawasaki Heavy Industries and Nippon Sharyo. Twenty-one six-car sets entered service in 2000 on the North–South a…

Kawasaki Heavy Industries C151 (Singapore MRT first-generation train) Kawasaki Heavy Industries C151 First-generation electric multiple unit introduced in 1987 for Singapore's MRT. Built by Kawasaki Heavy Industries, six-car sets served the North–South and East–West Lines and were…

Kawasaki Station — JR East railway hub in Kawasaki, Japan Kawasaki Station Major JR East station in Kawasaki, Kanagawa, serving multiple lines and acting as a commuter and commercial hub with extensive connections to local transit and shopping areas.

Kayak — human-powered decked boat: design, history and uses Kayak A kayak is a small, human-powered, decked boat propelled with a double-bladed paddle. This article covers its design, indigenous origins, modern types, uses and distinctions from c…