guide rail

English

Noun

guide rail (plural guide rails)

  1. Synonym of guardrail
  2. Synonym of check rail.
    • 2023 November 29, Paul Clifton, “West is best in the Highlands”, in RAIL, number 997, page 44:
      There are 11 tunnels on the branch. The longest is 350 metres. There's an additional guide rail on the sharper bends.
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