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 ...

COLORADO, USA — Zipper merging needs better signage so badly that the Federal Highway Administration commissioned a study to determine if specific signage would get more drivers to zipper merge and ...

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 ...

Hallelujah! Ten years ago outside New York City at an intersection that was heralded as one of the most congested in the world, I noted with incredulity how smoothly the merging of the cars went. My ...

My April column on the state's campaign to get drivers to use the zipper merge technique at road construction sites generated quite a bit of buzz. Since then it's been a hot topic on Twin Cities talk ...