PERINTON, N.Y. – If you’ve ever been jammed up in traffic trying to merge, this report is for you. Experts say a method called the “zipper merge” helps traffic flow smoothly. Well, when it’s done ...

The Alabama Department of Transportation announces significant traffic changes on I-59 North in Trussville starting Tuesday ...

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 ...

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

Q: When another driver is merging onto a highway, shouldn't they speed up to fall in line with traffic? I observe over and over again drivers already on the highway decreasing their speed to let ...

Q: At a freeway on-ramp, is it illegal to merge early by driving across the white lines before the lanes merge, or is it just discouraged? If it’s illegal, what law would you be breaking? A: You won’t ...

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 ...