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 ...

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 ...

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 ...

DENVER — AAA estimates that more than 60 million people will travel by car this week. That means 60 million people have the opportunity to zipper merge. In the state of Maine, the signs are more ...

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.

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 ...