Zipper merge: Transportation experts agree — except when they don’t
Posted on May 21st, 2008 – 6:05 AMBy Roadguy
While Minnesotans were trying to master the “zipper merge” at the Hastings bridge (a news story with a bazillion comments is here), Roadguy was heading back from Wisconsin, where a safety poster at a rest area conveyed the exact opposite message:

Is it any wonder that motorists get confused?


