The correct answer is: Block section.
A block section is a section of railway track that is controlled by a single signal. The length of a block section varies depending on the type of railway and the speed of the trains. In general, block sections are shorter on high-speed railways than on low-speed railways.
The purpose of block sections is to prevent collisions between trains. By controlling the movement of trains into and out of block sections, railway operators can ensure that there is always a safe distance between trains.
Block sections are typically separated by physical barriers, such as signals or points. In some cases, block sections may be separated by virtual barriers, such as radio signals.
The use of block sections is one of the most important safety features on railways. By preventing collisions, block sections help to keep passengers and railway workers safe.
Here is a brief explanation of each option:
- Block section is a section of railway track that is controlled by a single signal.
- Mid Section is not a technical term in railway signaling.
- Signalling Section is a general term for a section of railway track that is controlled by signals. However, it does not necessarily mean that the section is controlled by a single signal.
- None of these is the correct answer.