bn:14981304n
Noun Concept
Categories: Rail infrastructure, Railway signalling
EN
railway signal  Railway signalling in Russia  colour light signals  lineside signal  position light signal
EN
A railway signal is a visual display device that conveys instructions or provides warning of instructions regarding the driver’s authority to proceed. Wikipedia
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EN
A railway signal is a visual display device that conveys instructions or provides warning of instructions regarding the driver’s authority to proceed. Wikipedia
Optical, acoustic or electronic signals provide information in the form of signal aspects in the operation of the railway Wikidata