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 ...

One would assume that since the merging lane seems empty, you can use it to pass all the stalled traffic up ahead. While it sounds like a foolproof plan, however, the merging lane is made especially ...

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.

Traffic merges at East Holly and North Forest streets for construction in Bellingham in 2009. Most states encourage drivers to utilize the “zipper merge” and wait until reaching the cones to merge.

It's every driver's pet peeve. Bright orange barrels and signs emerge into view. A wave of brake lights flash ahead. Before you know it, traffic is slowing down to nearly a halt, and you're officially ...

PORTLAND, Ore. — From city streets to state highways, the gripe about merging on the roads is heard often. Oregon and Washington's departments of transportation want drivers to zipper merge to keep ...