A study by the Minnesota Department of Transportation shows that an effective zipper merge can reduce the duration of a ...

LANSING, Mich. (WLNS) – It’s construction season in Michigan, which means orange barrels, backups, and bad moods. To help with traffic jams, Michigan law enforcement is reminding drivers to use the ...

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 ...

From everyday questions to more complex problems, we’re asking the experts to lend us a hand. Throughout the series "Professional Help," we’ll hear some direct advice, for us not-so-direct Minnesotans ...

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 ...

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 ...

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 ...

Question: I read your recent article about road construction and work zones. Can you talk about the zipper merge? It seems like a lot of people don’t know what it is or can’t figure it out. Thank you.

Ask anyone who didn’t grow up in Washington about drivers in this state and you will hear an all-too-familiar theme. “People here don’t know how to merge.” Why is it that no one seems to understand ...