A system of railway signalling which divides the track into sections and allows no train to enter a section that is not completely clear.
More example sentences
- He describes the first electrical equipment as well as the progressive adoption of electro-semaphore signalling and the organisation of the block system.
- Electricity was also used by the block system of signalling, to keep trains apart.
- The most used sections now use a variation of the moving block system, which means traffic is defined by trains, not by blocks, so trains can be closer and run more often.
Definition of block system in:
- The US English dictionary