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Instituto da Mobilidade e dos Transportes
The Instituto da Mobilidade e dos Transportes (IMT) is a Portuguese public institute handling driving licenses, vehicle registration, and transport licensing, created in 2012 and headquartered in Lisbon.
Instrument cluster (motorcycle)
A motorcycle instrument cluster is the handlebar-mounted assembly of gauges, warning lights, and displays showing speed, engine speed, and fuel, evolved from mechanical speedometers to color touchscreen TFT panels.
Insurance Institute for Highway Safety
The Insurance Institute for Highway Safety (IIHS) is an independent American nonprofit, founded in 1959 and funded by auto insurers, known for its crash tests and Top Safety Pick awards.
Intelligent driver model
The intelligent driver model (IDM) is a car-following model that computes each vehicle's acceleration from its speed, the gap to the vehicle ahead, and their speed difference.
Intelligent Speed Assistance
Intelligent Speed Assistance (ISA), also called intelligent speed adaptation, is a vehicle system that warns drivers or limits engine power when they exceed the speed limit.
Intelligent transportation system
An intelligent transportation system, also known as an intelligent traffic system, applies advanced sensor, computer, and communication technologies to improve the safety and efficiency of surface transportation.
Interchange (road)
An interchange is a grade-separated road junction where ramps connect highways that do not cross at grade, allowing traffic to merge and turn without signals.
Interlocking concrete pavers
Interlocking concrete pavers are precast concrete units laid on bedding sand so each block is restrained by its neighbors, forming a pavement that shares loads across many blocks.
Intermodal container chassis
An intermodal container chassis is a skeletal steel semi-trailer built to carry a shipping container over the road, held by twist-locks; the short trucking move is called drayage.
Intermodal Surface Transportation Efficiency Act
The Intermodal Surface Transportation Efficiency Act (ISTEA) is a United States federal law signed by President George H. W. Bush in December 1991 that reorganized federal highway and transit programs.
International Council on Clean Transportation
The International Council on Clean Transportation (ICCT) is an independent nonprofit founded in 2001 in Bellagio, Italy, whose 2015 emissions testing research triggered the Volkswagen Dieselgate scandal.
International E-road network
The International E-road network, also called the E-road network, is a numbered system of major roads in Europe and nearby Asia, defined by the 1975 AGR.
International Federation of Pedestrians
The International Federation of Pedestrians (IFP) is a global network of nonprofit pedestrian advocacy groups founded in 1963, working for walkable, safe public space and holding UN consultative status.
International Harvester IDI
The International Harvester IDI is a family of naturally aspirated 6.9L and 7.3L diesel V-8 engines that powered Ford trucks from 1983 to 1994, preceding the 7.3L Power Stroke.
International MV Series
The International MV Series is a Class 6/7 medium-duty commercial truck from International Motors, introduced in 2018 to replace the DuraStar, offered with Cummins B6.7 and L9 engines.
International Organization of Motor Vehicle Manufacturers
The International Organization of Motor Vehicle Manufacturers (OICA), a Paris-based federation of national automobile trade associations founded in 1919, represents the industry before the United Nations and compiles world production statistics.
International Road Assessment Programme
The International Road Assessment Programme (iRAP) is a UK charity, founded in 2006, whose Star Ratings and risk assessments of road infrastructure have influenced projects in 140 countries.
International Road Federation
The International Road Federation (IRF), founded in 1948, is a global not-for-profit membership organization promoting road development and sustainable mobility, with members in over 118 countries.
International Road Traffic and Accident Database
The International Road Traffic and Accident Database (IRTAD) is an OECD database of validated road safety data by country from 1970 onwards, maintained by the International Transport Forum.
International Road Transport Union
The International Road Transport Union (IRU) is the global association for road transport operators, founded in Geneva in 1948 and known for administering the TIR customs system.
International Trucks
International Trucks is the commercial truck brand of International Motors, an American manufacturer of Class 4 through 8 trucks, diesel engines, and IC Bus school and commercial buses owned by TRATON.
Internationale Automobilausstellung
The Internationale Automobilausstellung (IAA) is a German motor show organized by the VDA. Founded in Berlin in 1897, it was held in Frankfurt from 1951 and split into separate passenger-car and commercial-vehicle events in 1991.
Intersection (road)
An intersection, also called an at-grade junction, is a point where two or more roads meet or cross at the same grade, where traffic must yield, stop, or signal.
Interstate 10
Interstate 10 is a 2,460-mile coast-to-coast Interstate Highway across the southern United States, from Santa Monica, California, to Jacksonville, Florida, that passes through eight states and was completed in 1990.
Interstate 10 in Arizona
Interstate 10 in Arizona is the 391-mile Arizona segment of I-10, linking Phoenix and Tucson and running from the California line near Ehrenberg to the New Mexico line.
Interstate 10 in Texas
Interstate 10 in Texas is the 877-mile Texas segment of I-10, running from El Paso through San Antonio and Houston to Orange, the longest interstate segment in any state.
Interstate 105 (California)
Interstate 105, known locally as the Century Freeway, is a 17.3-mile east–west freeway in Los Angeles County connecting LAX to Norwalk, opened in 1993 at a cost of $2.25 billion.
Interstate 11
Interstate 11, also known as the Oran Gragson Freeway, is a proposed highway connecting Phoenix, Arizona, and Las Vegas, Nevada, with only a short Nevada segment open.
Interstate 110 (California)
Interstate 110 is a freeway in Los Angeles County, California, running from the Port of Los Angeles in San Pedro north to downtown Los Angeles along the Harbor Freeway.
Interstate 15
Interstate 15 is a 1,437-mile north–south Interstate Highway in the western United States, running from San Diego, California, through Las Vegas and Salt Lake City to the Canadian border in Montana.