zipper merge
English edit
Etymology edit
From the resemblance to the closing of a zip fastener, where alternating teeth are brought into line.
Noun edit
zipper merge (plural zipper merges)
- 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.
Verb edit
zipper merge (third-person singular simple present zipper merges, present participle zipper merging, simple past and past participle zipper merged)
- To carry out this form of traffic merging.