What does "semi-highway" mean?

An undivided road, usually two lanes, which is built on one roadway of a highway and functions as a temporary replacement until the second roadway is built.

Semi-highway

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
An undivided road, usually two lanes, which is built on one roadway of a highway and functions as a temporary replacement until the second roadway is built.

Etymology

From semi- + highway.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.