It’s been over three months since construction started on I-490 over the Erie Canal, but the frustration is far from over.

Waiting to merge until the last possible moment can be seen as cutting in line, but it’s actually the best method for ...

Michigan transportation officials and state police are urging drivers to embrace the zipper merge technique as summer ...

A zipper merge is when lanes ahead are closed. Drivers use both lanes of traffic until the merge point, where they would take turns merging into the open like, like a zipper.

A zipper merge is when lanes ahead are closed. Drivers use both lanes of traffic until the merge point, where they would take ...

Engineers say zipper merging may help traffic flow 03:32. We’ve all been there: you merge far in advance, just like you learned in driver’s ed, only to watch as the driver who was behind you ...

Sioux Falls drivers are gradually, if not grudgingly, coming around to the idea of zipper merging in construction zones. It’s been just over a month since the city launched its campaign to raise ...

The zipper merge signs instruct, “Merge ahead,” “Use both lanes,” “Take turns” and “Merge here.” The project is slated to run to November, ...

The zipper merge is only appropriate in either slow or stop-and-go conditions. If you are going the speed limit, you should merge as normal. Where there are long gaps between cars, ...

Instead, states that ask motorists to use the zipper method want all available roadway used up to the merge point. The zipper is not intended to be used when traffic is flowing briskly, with ample ...