What should be a routine lane change can erupt into a rolling confrontation in less […] ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER (KDVR) — Picture this: You’re driving ...

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 ...

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 ...

Why have a long line of drivers next to an empty lane? When we lived in San Diego, they actually had public service announcements to this effect. It makes sense to wait until the last minute and take ...

Traffic Talk: Why are St. Louis drivers not using the zipper merge technique? The zipper merge can decrease traffic by 40%. So, why are drivers not using the zipper merge technique?

Summer is prime time for construction in Washington state. With hundreds of construction projects scheduled across the state this summer, routes are altered on many cross-state trips. These projects ...