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  2. Automatic train control - Wikipedia

    en.wikipedia.org/wiki/Automatic_train_control

    Since 2006, the Tōkaidō Shinkansen's ATC-1A system has been superseded by ATC-NS. ATC-2: Used on the Tōhoku, Jōetsu and Nagano Shinkansen routes, it utilized 0, 30, 70, 110, 160, 210 and 240 km/h (0, 19, 43, 68, 99, 130 and 149 mph) trackside speed limits. In recent years, ATC-2 has been superseded by the digital DS-ATC.

  3. Chicago South Shore and South Bend Railroad - Wikipedia

    en.wikipedia.org/wiki/Chicago_South_Shore_and...

    A former Chicago South Shore and South Bend "800" electric freight locomotive. The South Shore Line is the last remaining of the once numerous electric interurban trains in the United States. At its formation on November 30, 1901, the corporate title was the Chicago & Indiana Air Line Railway (Air Line). The Air Line was controlled by Frank and ...

  4. TTX Company - Wikipedia

    en.wikipedia.org/wiki/TTX_Company

    TTX Company (formerly TrailerTrain) is a provider of railcars and related freight car management services to the North American rail industry.TTX's pool of railcars—over 168,000 cars and intermodal well cars—supports shippers in several industries where flatcars, boxcars and gondolas are required.

  5. Pulse code cab signaling - Wikipedia

    en.wikipedia.org/wiki/Pulse_code_cab_signaling

    Union Pacific Automatic Cab Signaling: The Union Pacific has implemented the PRR type technology on much of its main line between Chicago and Wyoming, as well as several other lines on its system in recent years. As with the CB&Q cab signals, the system works under the same principles as the PRR system, but uses different rules with partly ...

  6. Army Air Forces Training Command - Wikipedia

    en.wikipedia.org/wiki/Army_Air_Forces_Training...

    However, as the number of routes and scope of Air Transport Command increased, the Air Transportation Division of ATC in time had to rely on military personnel. To provide training for use of its own planes and for the special requirements of its far-flung operations, the division began operating an OTU in 1942, drawing on the graduates of the ...

  7. Chicago Air Route Traffic Control Center - Wikipedia

    en.wikipedia.org/wiki/Chicago_Air_Route_Traffic...

    The primary responsibility of Chicago Center is sequencing and separation of over-flights, arrivals, and departures in order to provide safe, orderly, and expeditious flow of aircraft. Chicago Center covers approximately 91,000 square miles (240,000 km 2 ) of the Midwestern United States , including parts of Illinois , Indiana , Michigan ...

  8. Harlem station (CTA Blue Line O'Hare branch) - Wikipedia

    en.wikipedia.org/wiki/Harlem_station_(CTA_Blue...

    Harlem is a Chicago "L" station serving the Blue Line's O'Hare branch in Chicago's Norwood Park neighborhood. It is not to be confused with the other Harlem Blue Line station. Trains run from Harlem every 2–7 minutes during rush hour, and take approx. 30 minutes to travel to the Loop. [ 2 ]

  9. 2014 Chicago Air Route Traffic Control Center fire - Wikipedia

    en.wikipedia.org/wiki/2014_Chicago_Air_Route...

    The 2014 Chicago Air Route Traffic Control Center fire was an incident in the United States involving arson [1] at an air traffic control facility in Aurora, Illinois [2] (also known as "Chicago Center"); [3] the incident caused close to 2,000 airline flights to be grounded. [4]