California transportation authorities do not explicitly promote the zipper merge, but studies find it can reduce congestion ...

California transportation authorities do not explicitly promote the zipper merge, but studies find it can reduce congestion ...

Including a candle warmer, some pretty embroidered shorts, and a delish set of truffle oil.

Zipper merging might sound odd, but it’s a game changer for our traffic jams. Here’s how a simple shift in mindset can clear ...