|
7000-series (CTA)
The 7000-series of rail cars was ordered by the Chicago Transit Authority (CTA) for the Chicago "L". The base order is for 400 cars and will be used to replace the 1980s-vintage 2600-series (CTA), 2600-series cars, currently assigned to the Blue Line (CTA), Blue, Brown Line (CTA), Brown, and Orange Line (CTA), Orange Lines. If the CTA ordered the additional 446 cars, these would replace the 3200-series (CTA), 3200-series cars from the early 1990s, which are currently assigned to the Blue and Brown Lines. Including all options, which is a total of 846 cars, the order will cost $1.3 billion. The contract called for ten prototypes to be delivered by October 2019. If the rail cars proved to be acceptable, then full production cars would be delivered starting in October 2020, at a rate of 10 cars per month. The cost per car is approximately $1.58 million. Prototypes for testing were delivered in August 2020, and the base order is to be delivered by 2024. According to the CTA, when ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Damen Station (CTA Blue Line)
Damen is a rapid transit station on the Chicago "L", currently serving the O'Hare branch of its Blue Line. Opened on May 6, 1895, as Robey, it is the oldest station on the Blue Line. The station serves the popular Bucktown and Wicker Park neighborhoods, and is consistently in the top 40 highest-ridership "L" stations. It has two wooden side platforms and a brick station house at street level. The west platform, serving southbound trains, contains a tower that has never been used but is a relic of the station's past. The station is served by three bus routes on Damen, Milwaukee, and North Avenues, which are each descended from streetcar lines on those streets in the early 20th century. The Blue Line has owl service; while the surrounding streetcar lines also had owl service in the early 20th century, the modern bus services do not. Robey was constructed by the Metropolitan West Side Elevated Railroad to serve its Logan Square and Humboldt Park branches, being the last sto ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Induction Motor
An induction motor or asynchronous motor is an AC motor, AC electric motor in which the electric current in the rotor (electric), rotor that produces torque is obtained by electromagnetic induction from the magnetic field of the stator winding. An induction motor therefore needs no electrical connections to the rotor. An induction motor's rotor can be either wound rotor motor, wound type or squirrel-cage rotor, squirrel-cage type. Three-phase Squirrel-cage rotor, squirrel-cage induction motors are widely used as industrial drives because they are self-starting, reliable, and economical. Single-phase electric power, Single-phase induction motors are used extensively for smaller loads, such as garbage disposals and stationary power tools. Although traditionally used for constant-speed service, single- and three-phase induction motors are increasingly being installed in variable-speed applications using variable-frequency drives (VFD). VFD offers energy savings opportunities for i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Bay Area Rapid Transit
Bay Area Rapid Transit (BART) is a rapid transit system serving the San Francisco Bay Area in California. BART serves 50 stations along six routes and of track, including eBART, a spur line running to Antioch, and Oakland Airport Connector, a automated guideway transit line serving Oakland International Airport. With an average of weekday passenger trips as of and annual passenger trips in , BART is the seventh-busiest rapid transit system in the United States. BART is operated by the San Francisco Bay Area Rapid Transit District which formed in 1957. The initial system opened in stages from 1972 to 1974. The system has been extended several times, most recently in 2020, when Milpitas and Berryessa/North San José stations opened as part of the under construction Silicon Valley BART extension in partnership with the Santa Clara Valley Transportation Authority (VTA). Services BART serves large portions of its three member counties – San Francisco, Alameda, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
New York City Subway
The New York City Subway is a rapid transit system in New York City serving the New York City boroughs, boroughs of Manhattan, Brooklyn, Queens, and the Bronx. It is owned by the government of New York City and leased to the New York City Transit Authority, an affiliate agency of the Government of New York (state), state-run Metropolitan Transportation Authority (MTA). Opened on October 27, 1904, the New York City Subway is one of the world's oldest public transit systems, one of the most-used, and the one with the second-most stations after the Beijing Subway, with New York City Subway stations, 472 stations in operation (423, if stations connected by transfers are counted as single stations). The system has operated 24/7 service every day of the year throughout most of its history, barring emergencies and disasters. By annual ridership, the New York City Subway is the busiest rapid transit system in both the Western Hemisphere and the Western world, as well as the List of m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Washington Metro
The Washington Metro, often abbreviated as the Metro and formally the Metrorail, is a rapid transit system serving the Washington metropolitan area of the United States. It is administered by the Washington Metropolitan Area Transit Authority (WMATA), which also operates the Metrobus (Washington, D.C.), Metrobus service under the Metro name. Opened in 1976, the network now includes six lines, 98 stations, and of Network length (transport)#Route length, route. Metro serves Washington, D.C. and the states of Maryland and Virginia. In Maryland, Metro provides service to Montgomery County, Maryland, Montgomery and Prince George's County, Maryland, Prince George's counties; in Virginia, to Arlington County, Virginia, Arlington, Fairfax County, Virginia, Fairfax and Loudoun County, Virginia, Loudoun counties, and to the independent city of Alexandria, Virginia, Alexandria. The system's Potomac Yard station, most recent expansion, which is the construction of a new station (and alte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Massachusetts Bay Transportation Authority
The Massachusetts Bay Transportation Authority (abbreviated MBTA and known colloquially as "the T") is the public agency responsible for operating most public transportation services in Greater Boston, Massachusetts. The MBTA transit network includes the MBTA subway with three Passenger rail terminology#Heavy rail, metro lines (the Blue Line (MBTA), Blue, Orange Line (MBTA), Orange, and Red Line (MBTA), Red lines), two light rail lines (the Green Line (MBTA), Green and Mattapan Line, Mattapan lines), and a five-line bus rapid transit system (the Silver Line (MBTA), Silver Line); MBTA bus local and express service; the twelve-line MBTA Commuter Rail system, and MBTA boat, several ferry routes. In , the system had a ridership of , or about per weekday as of , of which the rapid transit lines averaged and the light rail lines , making it the List of United States rapid transit systems by ridership, fourth-busiest rapid transit system and the List of United States light rail system ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Public Transportation In The United States
The United States is served by a wide array of public transportation, including various forms of bus, Rail transport, rail, ferry, and sometimes, airline services. Most public transit systems are in urban areas with enough density and public demand to require public transportation; most US cities have some form of public transit. In more auto-centric suburban localities, public transit is generally less frequent and less common. Most public transit services in the United States are either national, regional/commuter, or local. In the United States, ''public transportation'' is sometimes used synonymously with ''alternative transportation'', meaning every form of mobility except driving alone by automobile. This can sometimes include carpooling, vanpooling, on-demand mobility (i.e. Uber, Lyft, Bird Global, Bird, Lime (transportation company), Lime), infrastructure that is oriented toward bicycles (i.e. bike lanes, Shared lane marking, sharrows, cycle tracks, and Trail, bike tra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Orange Line (CTA)
The Orange Line is a rapid transit line in Chicago, Illinois, operated by the Chicago Transit Authority (CTA) as part of the Chicago "L" system. It is approximately long and runs on elevated and at grade tracks and serves the Southwest Side, running from the Loop to Midway International Airport. As of 2023, an average of 16,979 riders board Orange Line trains on weekdays. Route The Orange Line begins in an open cut at a station on the east side of Midway International Airport. From here, the line rises to an elevated viaduct at 55th Street and continues northeast towards the city on railroad right-of-way. Near the intersection of 49th Street and Lawndale Avenue, the line turns east along a CSX Transportation right-of-way to a point east of Western Boulevard, then curves north and northwest on embankment structure along CSX right-of-way to Western Boulevard and Pershing Road. From here, the line rises on elevated structure again and makes a curve to cross Archer Avenue, the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Brown Line (CTA)
The Brown Line of the Chicago "L" system, is an route with 27 stations between Chicago's Albany Park neighborhood and downtown Chicago. It runs completely above ground and is almost entirely grade-separated. It is the third-busiest 'L' route, with an average of 35,176 passengers boarding each weekday in 2024. Before CTA lines were color-coded in 1993, the Brown Line was known as the Ravenswood Route; specifically, the series of stations from Belmont to Kimball were called the Ravenswood branch. Accordingly, the Kimball-Belmont shuttle service was called the Ravenswood Shuttle. Route The Brown Line begins on the northwest side of Chicago, at the Kimball terminal in Albany Park, where there is a storage yard and servicing shop for the trains to the east of the passenger station. From there, trains operate over street level tracks between Leland and Eastwood Avenues to , then ramp up to the elevated structure for the rest of the trip. The trains on the street-level section ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Chicago "L"
The Chicago "L" (short for "elevated railway, elevated") is the rapid transit system serving the city of Chicago and some of its surrounding suburbs in the U.S. state of Illinois. Operated by the Chicago Transit Authority (CTA), it is the fourth-largest rapid transit system in the United States in terms of total route length, at long as of 2014, and List of United States rapid transit systems by ridership, the third-busiest rapid transit system in the United States after the New York City Subway and the Washington Metro. As of January 2024, the "L" had 1,480 rail cars operating across eight different routes on 224.1 miles of track. CTA trains make about 1,888 trips each day servicing 146 train stations. In , the system had rides, or about per weekday in . The "L" provides 24-hour service on the Red and Blue Lines, making Chicago, New York City, and Copenhagen Metro, Copenhagen the only three cities in the world to offer 24-hour train service on some of their lines throughout ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Automatic Train Operation
Automatic train operation (ATO) is a method of operating trains automatically where the driver is not required or is required for supervision at most. Alternatively, ATO can be defined as a subsystem within the automatic train control, which performs any or all of functions like programmed stopping, speed adjusting, door operation, and similar otherwise assigned to the train operator. The degree of automation is indicated by the Grade of Automation (GoA), up to GoA4 in which the train is automatically controlled without any staff on board. On most systems for lower grades of automation up to GoA2, there is a driver present to mitigate risks associated with failures or emergencies. Driverless automation is primarily used on automated guideway transit systems where it is easier to ensure the safety due to isolated tracks. Fully automated trains for mainline railways are an area of research. The first driverless experiments in the history of train automation date back to 1920 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
Automatic Train Control
Automatic train control (ATC) is a general class of train protection systems for railways that involves a speed control mechanism in response to external inputs. For example, a system could effect an emergency brake application if the driver does not react to a signal at danger. ATC systems tend to integrate various cab signalling technologies and they use more granular deceleration patterns in lieu of the rigid stops encountered with the older automatic train stop (ATS) technology. ATC can also be used with automatic train operation (ATO) and is usually considered to be the safety-critical part of a railway system. There have been numerous different safety systems referred to as "automatic train control" over time. The first experimental apparatus was installed on the Henley branch line in January 1906 by the Great Western Railway, although it would now be referred to as an automatic warning system (AWS) because the driver retained full command of braking. The term is especi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] [Amazon] |
