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.

RALEIGH, N.C. (WTVD) -- Rapid growth in the area, such as the recent announcement of Apple opening a headquarters here, is leading to what we're calling a Triangle Transformation. In the coming months ...

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 ...

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 ...

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 ...

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 ...

CHICO — Highway 99’s seven-mile double barrel through Chico is a topic of heated claims between licensed drivers about how to properly drive. Though drivers education may have taught about merging ...

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 ...

Why have a long line of drivers next to an empty lane? When we lived in San Diego, they actually had public service announcements to this effect. It makes sense to wait until the last minute and take ...