Question: I read your last article about road construction and work zones. Can you talk about the zipper merge? It seems like a lot of people don’t know what it is or can’t figure it out.

Question: I read your recent article about road construction and work zones. Can you talk about the zipper merge? It seems like a lot of people don’t know what it is or can’t figure it out.

IONIA COUNTY, Mich. — First, we’re not talking about the so-called “zipper merge.” That’s where drivers approach a lane closure using both lanes right up to the lane closure, then take ...