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In any given country, rail traffic generally runs to one side of a double-track line, not always the same side as road traffic. Thus in Belgium, China, France (apart from the classic lines of the former German Alsace and Lorraine), Sweden (apart from Malmö and further south), Switzerland, Italy and Portugal for example, the railways use left-hand running, while the roads use right-hand running.
Treger token system posts at Ogaryovo railway station, Vologda Oblast, Russia. Until the late 20th century, the token system was standard on British single-track lines and it still remains on a number of lines there as well as elsewhere, such as the line between Girvan and Stranraer in south west Scotland.
The department is responsible for the inspection of raillines and infrastructure in Bangladesh. It is also the lead investigation agencies for major train accidents. [1] [2] [3] In October 2020 Ashim Kumar Talukdar, Railway inspector, visited railway lines in Dhaka and Chittagong to inspect the installation of digital signals. [4]
Radio Electronic Token Block is a system of railway signalling used in the United Kingdom. It is a development of the physical token system for controlling traffic on single lines . The system is slightly similar to North American direct traffic control , which unlike RETB does not have a cab display unit.
Track circuits allow railway signalling systems to operate semi-automatically, by displaying signals for trains to slow or stop in the presence of occupied track ahead of them. They help prevent dispatchers and operators from causing accidents, both by informing them of track occupancy and by preventing signals from displaying unsafe indications.
On some double-track line sections equipped with "permanent counter-track installations" (IPCS), signals are placed normally on the right for counter-track circulations. No white arrows are used. In fact, entering the wrong way is confirmed by a luminous counter-track entrance board (TECS), which, when lit, indicates that the following signals ...
On these lines the clearance of the controlled branch entry signal is the driver's sole authority to enter the branch, and once the train has passed that signal, the interlocking will hold it at 'danger' (and the signal cannot be cleared a subsequent time) until the branch service train, on its return journey has sequentially operated two track ...
Signalling in the UK uses route signalling. Most railway systems around the world, however, use speed signalling. Under route signalling, the driver is informed which route has been set by an illuminated Junction Indicator mounted on the signal post. The signal will display a restrictive aspect to make the driver reduce the train's speed.