The Zipper Merge Is a Snap

Perhaps nowhere is the spirit of cooperation among drivers better illustrated than the Zipper Merge. This controversial congestion-control maneuver calls for all drivers in slower-moving traffic ahead of a lane closure to remain in their respective lanes up until the merge point, then take turns moving through the continuing lane, one-by-one, in an orderly fashion — coming together like the teeth of a zipper.’s Matt Schmitz goes over the maneuver in this week’s segment of Driving Smart.

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