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Examples of single line tokens: Tablet on left, key token on right. The operation of a bidirectional single track line has the hazard of two trains colliding. The simplest way to prevent such collisions is to have only one train in the section at any given time. Such a system is known as "one-engine-in-steam” (OES) or “one-train working ...
Automatic block signaling (ABS), spelled automatic block signalling or called track circuit block (TCB [1]) in the UK, is a railroad communications system that consists of a series of signals that divide a railway line into a series of sections, called blocks. The system controls the movement of trains between the blocks using automatic signals.
The McNamara Line was an operational strategy employed by the United States in 1966–1968 during the Vietnam War, aimed to prevent infiltration of South Vietnam by NVA forces from North Vietnam and Laos.
The West Coast Main Line is a major trunk railway in the United Kingdom, linking London with Glasgow. The Watford DC lines are intricately linked with the southern part of the WCML and are also shown in full. A detailed diagram of the line is housed on this page for technical reasons. Note that some complex areas have been simplified for clarity.
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The cost of blocking shipping for almost a week through the Suez Canal, one of the world's busiest waterways, comes in at right around $1 billion.
The line from Kettering to Corby was to be doubled, and indeed Network Rail began work in June 2015. [24] The Enhancements plan update of January 2016 showed the project on target. [25] On 27 July 2017, a further briefing paper was issued and the Midland Main Line had a section of its own. [26]
The Main Line of Public Works was a package of legislation passed by the Commonwealth of Pennsylvania in 1826 [a] to establish a means of transporting freight [b] between Philadelphia and Pittsburgh. It funded the construction of various long-proposed canal and road projects, mostly in southern Pennsylvania, that became a canal system and later ...