summit tunnels

A form of summit tunnel — A tunnel driven through a pass at fairly high altitude to minimize the length of tunnel required, at the cost of requiring steeper and more winding routes up to each end of the tunnel.

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Meanings

noun
  1. pluralplural of summit tunnel
Cite this entry
APA

summit tunnels. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/summit%20tunnels

MLA

“summit tunnels.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/summit%20tunnels. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “summit tunnels,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/summit%20tunnels.

Source: summit tunnels on Wiktionary, CC BY-SA 4.0.