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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.
Rail transport terms are a form of technical terminology applied to railways. Although many terms are uniform across different nations and companies, they are by no means universal, with differences often originating from parallel development of rail transport systems in different parts of the world, and in the national origins of the engineers and managers who built the inaugural rail ...
The line from the intermediate block home signal to the home signal of the next signal box on the same line in the same direction of travel is the absolute block section. To clear the intermediate block home signal a "line clear" is required from the signal box in advance.
A Controller of Site Safety or COSS is a person qualified by the British civil engineering company Network Rail to ensure safe practice for work occurring on or near railway tracks and infrastructure.
The Detroit and Toledo Shore Line Railroad (reporting mark DTS) is a historic railroad that operated in northwestern Ohio and southeastern Michigan. The Pleasant Bay Railway was incorporated in Michigan in March 1898 and purchased the Toledo and Ottawa Beach Railway , an Ohio company incorporated in January 1898, in March 1899.
The line is currently used mainly for freight traffic, but Transport for Wales run two or three services along the line in each direction on Mondays to Saturdays, one of which is the daytime boat train between Fishguard Harbour and Cardiff. The boat train service is run in connection with the Stena Line ferry to/from Rosslare in Ireland.
The U.S. Environmental Protection Agency (EPA) estimates that at least 23,000 to 75,000 SSO events occur in the United States each year. [1] EPA estimated that upgrading every municipal treatment and collection system to reduce the frequency of overflow events to no more than once every five years would cost about $88 billion as of 2004. [2]