A zipper merge implemented on Highway 75 near Jenks to improve traffic flow through a construction zone has instead led to ...

Few road scenarios trigger faster anger than a lane closure on a busy highway. Orange signs appear, cones march toward the horizon, and drivers immediately start sorting themselves into the righteous ...

Orange construction signs and crowded on-ramps are leaving many drivers unsure about the right way to merge onto busy Texas highways, and safety experts say get ...

TACOMA, Wash. — It's the topic of countless arguments both on and off the road: When are you supposed to get over in a zipper merge? What the heck is a zipper merge, anyway? And who's in the right: ...

GOLDEN VALLEY, Minn.- It is a question Minnesota motorists have grappled with, debated and even argued over for decades: Are drivers who blast past stopped traffic up to the point a lane closes ...

RANT to Seattle drivers who don't zipper merge. PLEASE, Seattle drivers — understand why zipper merging (every other car) at the end is much faster and more efficient than merging early. When two ...

While "zipper merges," where all cars wait until the last second to merge, one after the other, are better for traffic congestion, according to a study from Missouri University of Science and ...