zipper merge

English

Etymology

From the resemblance to the closing of a zip fastener, where alternating teeth are brought into line.

Noun

zipper merge (plural zipper merges)

  1. A convention for merging traffic into a reduced number of lanes, where drivers use both lanes to advance to the lane reduction point and merge at that location, alternating turns.

See also

Verb

zipper merge (third-person singular simple present zipper merges, present participle zipper merging, simple past and past participle zipper merged)

  1. To carry out this form of traffic merging.
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