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 ...

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 ...

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 ...

GRAND RAPIDS, Mich. — If you've been stuck in traffic during construction, you may have noticed cars speeding by in the lane about to end. It may feel unfair, but that move — using both lanes until ...

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 ...

NPR's Ayesha Rascoe speaks with Marshall Zelinger of 9News Denver about his reporting on and advocacy for zipper merging, a driving tactic that can ease traffic congestion. Maybe this has happened to ...

Question: With summertime here and all the construction zones, can you talk about the “zipper merge”? It’s been talked about for a while but a lot of people don’t seem to get it. Answer: “Zipper merge ...

With school back in session, commutes back in full swing and vacation traffic replaced by everyday congestion, there’s one ...