interlocking

English

Verb

interlocking

1. present participle of interlock

Noun

interlocking (plural interlockings)

1. (rail transport) An arrangement of signal apparatus that prevents conflicting movements through a set of tracks such as junctions or crossings.
   • 1961 March, “Talking of trains: Collision at Waterloo”, in Trains Illustrated, page 138:

     In addition to the usual interlocking between conflicting signal and point levers achieved by electric locks, track circuits, when occupied, hold signals governing entry to the relevant line at danger; [...] The up main through inner home signal was held at danger by interlocking, because the track circuits of a conflicting route ahead of it were occupied by another train [...].

Derived terms

• interlocking tower

Translations

arrangement of signal apparatus

• Finnish: asetinlaite
• German: Stellwerk (de) n
• (deprecated template usage) {{trans-mid}}
• Spanish: trabazón