There are permanent zipper merge opportunities on state highways and city streets. “If you had some kind of signage that was very explicit, so that you said something like, ‘zipper merge, use both ...

DURHAM (WTVD) -- NCDOT and North Carolina State researchers are studying the effectiveness of the "zipper merge." The rather unique sign was installed 2 weeks ago where NC 147 meets southbound I-85.

COLORADO, USA — Zipper merging needs better signage so badly that the Federal Highway Administration commissioned a study to determine if specific signage would get more drivers to zipper merge and ...

Why are so many drivers slow to pick up and use the zipper merge? I have reported for years about the lack of general merging etiquette in the Pacific Northwest and how it contributes to our terrible ...

While some drivers may see it as unfair, zipper merging is the quickest way through many of Milwaukee's road construction ...

Drivers on Indiana highways are encouraged to begin using a different merging technique in work zones from now on. The Indiana Department of Transportation said last week drivers will now be ...

My April column on the state's campaign to get drivers to use the zipper merge technique at road construction sites generated quite a bit of buzz. Since then it's been a hot topic on Twin Cities talk ...

Have you seen the road sign “Right lane closed ahead, merge left,” but while you move to the left lane, other cars fly by you in the right lane? Then they duck into the left lane ahead of the cars in ...

California transportation authorities do not explicitly promote the zipper merge, but studies find it can reduce congestion by 40%.

With construction underway on Michigan roads, it's a certainty you'll need to merge down to one lane at some point: State officials are urging drivers to "zipper" merge, a method to navigate congested ...

Rick Keniston looked ahead toward the largely empty lane on the right side of state Highway 14, just east of Interstate 205. “It should be full of cars,” Keniston, regional traffic engineer for the ...