When you’re stuck in traffic and waiting to merge into a single lane, there’s perhaps nothing more irritating than cars zooming past you only to switch lanes directly at the merge point. Ironically, ...

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 ...

Orange construction signs and crowded on-ramps are leaving many drivers unsure about the right way to merge onto busy Texas highways, and safety experts say get ...

One of the most frustrating aspects of driving in traffic is getting cut off at a merge point, when two lanes converge into one. However, those drivers merging at the last moment might be smarter than ...