Summer is prime time for construction in Washington state. With hundreds of construction projects scheduled across the state this summer, routes are altered on many cross-state trips. These projects ...

Add Yahoo as a preferred source to see more of our stories on Google. LANSING, Mich. (WLNS) – It’s construction season in Michigan, which means orange barrels, backups, and bad moods. To help with ...

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.

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 ...

We should all get in touch with the zipper. The zipper merge, that is! Get your mind out of the gutter, and onto the interstate. Not surprisingly, I apparently have been a bit of a dolt for not better ...

We've all been there. You're driving down I-70 before coming across signs informing you of an upcoming work zone and that one lane will be closing soon. There are two schools of thought on what to do ...

Zipper merging reduces backups by up to 50% during lane closures statewide. The method uses both lanes fully and merges vehicles alternately at lane ends. WSDOT urges drivers to plan, maintain speed ...