Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

Poor merging habits are a common frustration on the roads, but experts say using a simple “zipper merge” technique can keep traffic moving smoothly.

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.

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 ...

A zipper merge could help alleviate traffic — and road rage — on backed-up South Carolina roads. Here’s how to do it.

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 ...