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Metro Transit (Minnesota)
Metro Transit is the public transit operator for the Minneapolis–Saint Paul metropolitan area, providing buses, light rail, and bus rapid transit as a division of the Metropolitan Council.
Metro Tunnel
The Metro Tunnel, also called the Melbourne Metro Rail Project, is a pair of 9-kilometer rail tunnels under Melbourne opened in 2025, with five new underground stations.
Metro-2
Metro-2 (Метро-2), reportedly designated D-6 in Soviet times, is an alleged secret underground railway beneath Moscow said to connect the Kremlin with deep bunkers and Vnukovo airport.
Metro-Cammell
Metro-Cammell, formally the Metropolitan Cammell Carriage and Wagon Company, was an English manufacturer of railway carriages, wagons, locomotives, and rapid-transit vehicles based in Birmingham, formed in 1929.
Metro-North Railroad
Metro-North Railroad, formally the Metro-North Commuter Railroad Company, is a commuter rail agency of New York's MTA serving Manhattan, New York State, and Connecticut since 1983, operating the Hudson, Harlem, and New Haven Lines.
Metro-North Railroad rolling stock
Metro-North Railroad rolling stock is the fleet of electric multiple units, diesel and dual-mode locomotives, and coaches used by Metro-North, the MTA's commuter railroad for New York and Connecticut.
Metrobús Quito
Metrobús Quito is the bus rapid transit system of Quito, Ecuador, whose first corridor, the Trolebús, opened in 1995, making Quito the first city outside Brazil to replicate Curitiba's BRT model.
Metrojet Flight 9268
Metrojet Flight 9268 was a Russian charter flight from Sharm El Sheikh to Saint Petersburg destroyed by a bomb over Sinai on 31 October 2015, killing all 224 aboard.
MetroLink (St. Louis)
MetroLink is the light rail system of St. Louis, Missouri, opened in 1993 and running two lines across 46 miles and 38 stations in Missouri and Illinois.
Metrolink rolling stock
Metrolink rolling stock is the fleet of locomotives, passenger cars, and cab cars operated by the Southern California Regional Rail Authority for Metrolink commuter rail in Southern California.
Metrological traceability
Metrological traceability is the property of a measurement result that relates it to a reference, such as an SI unit, through a documented unbroken chain of calibrations.
Metrom Pentapod
The Metrom Pentapod is a 5-axis machine tool built by METROM in Hartmannsdorf, Germany, in which five ball-screw struts move the spindle inside a rigid icosahedron frame.
Metronet (fiber broadband provider)
Metronet is an American fiber-to-the-home broadband provider founded in 2005 in Evansville, Indiana, operating in 19 states until its 2025 acquisition by T-Mobile and KKR.
Metropark station
Metropark station, also called Metropark, New Jersey, is a major NJ TRANSIT and Amtrak rail station in Iselin, New Jersey, opened in 1971 as the state's first park-and-ride station.
Metropolis Technologies
Metropolis Technologies is a Los Angeles AI company whose computer vision platform enables checkout-free "drive in, drive out" parking, founded in 2017 by Alex Israel and others.
Metropolitan area network
A metropolitan area network (MAN), or metro network, is a data communication network spanning a city or urban district, connecting multiple LANs, typically built on fiber or WiMAX.
Metropolitan Atlanta Rapid Transit Authority
The Metropolitan Atlanta Rapid Transit Authority (MARTA) is the public transit agency for metropolitan Atlanta, operating heavy rail, buses, and the Atlanta Streetcar since its creation in 1965.
Metropolitan Board of Works
The Metropolitan Board of Works (MBW) was the principal local government body for London from 1855 to 1889, built Bazalgette's main drainage system and the Thames embankments, and was replaced by the London County Council.
Metropolitan Commission of Sewers
The Metropolitan Commission of Sewers administered London's sewers outside the City from 1847 to 1855, employing Joseph Bazalgette before the Metropolitan Board of Works replaced it.
Metropolitan Life Insurance Company Tower
The Metropolitan Life Insurance Company Tower, colloquially the Met Life Tower, is a 700-foot Manhattan skyscraper at 1 Madison Avenue, built in 1909 and modeled on Venice's St. Mark's campanile.
Metropolitan line
The Metropolitan line, also known as the Met line, is a London Underground line that descends from the Metropolitan Railway, the world's first underground passenger railway, opened in 1863.
Metropolitan Railway
The Metropolitan Railway was a London railway company that opened the world's first underground passenger railway in 1863 and was absorbed into London transport in 1933.
Metropolitan Railway steam locomotives
The Metropolitan Railway steam locomotives were condensing tank engines that hauled the world's first underground passenger railway, opened in London in 1863, later working mainline services to Aylesbury.
Metropolitan Transportation Authority
The Metropolitan Transportation Authority (MTA) is a New York State public benefit corporation that runs the New York City subway and buses, two commuter railroads, and toll bridges and tunnels.
Metropolitan Washington Airports Authority
The Metropolitan Washington Airports Authority is an independent interstate public body, created by Virginia and D.C. in 1987, that operates Reagan National and Dulles airports.
Metropolitan Water Board (London)
The Metropolitan Water Board was a public body created by the Metropolis Water Act 1902 to buy out London's private water companies, purchasing eight of them for £43 million.
Metropolitan Water District of Southern California
The Metropolitan Water District of Southern California, or MWD, is a public regional water wholesaler founded in 1928 that supplies imported water to nearly 19 million people.
Metropolitan Water Reclamation District of Greater Chicago
The Metropolitan Water Reclamation District of Greater Chicago (MWRD), established in 1889, treats wastewater and manages stormwater in Cook County, Illinois, and reversed the Chicago River in 1900.
Metropolitan Waterworks Authority
The Metropolitan Waterworks Authority (Thai: การประปานครหลวง) is a Thai state enterprise, created by legislative act in 1967, that produces and distributes potable water to Bangkok, Nonthaburi, and Samut Prakan, serving more than 12 million people.
METS
METS (Metadata Encoding and Transmission Standard) is an XML schema maintained by the Library of Congress for encoding descriptive, administrative, and structural metadata for digital library objects.