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Positive train control (PTC) is a family of automatic train protection systems deployed in the United States. Most of the United States' national rail network mileage has a form of PTC. These systems are generally designed to check that trains are moving safely and to stop them when they are not.
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Fire Control Tower No. 23. / 38.94333°N 74.96750°W / 38.94333; -74.96750. Fire Control Tower No. 23 is a NRHP -listed tower located in Lower Township, Cape May County, New Jersey, United States. The tower was built in 1942 as part of Fort Miles, the system of harbor defenses of the Delaware Bay. It was one of 15 towers from North ...
Coordinates: 41°46′58″N 88°19′52″W. 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]
Salesforce Tower Chicago. Salesforce Tower Chicago (initially named Wolf Point South Tower during construction) is a skyscraper at Wolf Point in downtown Chicago. It is the tallest and last built of a three tower megadevelopment partly owned by the Kennedy family. [2] The 835 ft (255 m)-tall [1] tower was designed by Pelli Clarke and was ...
Bethpage Branch. The Bethpage Branch was a branch of the Long Island Rail Road (LIRR), running from the present-day split between the Ronkonkoma Branch and Central Branch (then called the Bethpage Junction and now called Bethpage Interlocking) north about miles (2.8 km) to present-day Old Bethpage, New York .
Sears Tower was the tallest building in the world upon its completion, and remained the tallest building in the United States until May 10, 2013. The second, third, and fourth-tallest buildings in Chicago are the Trump International Hotel & Tower, St Regis Chicago, and the Aon Center, respectively. Of the ten tallest buildings in the United ...
It is located at 619 W. New Indian Trail Rd., Aurora, Illinois. [2] 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 ...