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Top Terms > Communication and control > Control > Control system applications > Traffic control > Railroad traffic control > Railroad signaling > Block signal systems

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Block signal systems (Dcmtrsb)

Definition
Fixed signals at the entrance of a block to govern trains and engines entering and using that block. (Source: AASHTO Glossary)
Broader Term
Railroad signaling (Dcmtrs)
Narrower Terms
Automatic block signal systems (Dcmtrsbb)
Related Terms (Hierarchical)
Centralized traffic control (Dcmtrsc)