Signals and interlockers. — The Nickel Plate has 24 interlocking plants on its lines, of which 20 are mechanically operated and 4 electrically operated.
Source: wiktionary
Interlocker
Synonyms for "interlocker" (4 found)
Ranked by relevance and common usage.
Sample sentences
2 total sentences available.
In 1995 the attention of the interlockers shifted away from their unresolved differences about sustainability to the consideration of specific policy options of particular interest to each.
Source: wiktionary