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 ...

‘Merge in turn’. You will have seen the signs at the end of a two-lane section of road, but how many of us actually merge as requested? It would be nice to believe that we’re all wonderfully polite ...

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 ...

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 ...

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 ...

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 ...