bn:16038338n
Noun Concept
Categories: Railway signalling block systems, 1871 introductions, 1871 in rail transport, 1871 establishments in the United States, All Wikipedia articles written in American English
EN
automatic block signaling  Automatic Block Signal  ABS  automatic block signalling  Automatic Block System
EN
Automatic block signaling, spelled automatic block signalling or called track circuit block 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. Wikipedia
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EN
Automatic block signaling, spelled automatic block signalling or called track circuit block 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. Wikipedia
Railroad communications system Wikidata