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Not all work zones are conducive to zipper merging. While helpful in heavy traffic with a lot of back-ups, INDOT's website states that when traffic is flowing at highway speeds and there is ...

A more commonly known sign, “Thru traffic merge left” is detailed in the official Caltrans manual as needed when a lane is being dropped at the next exit. Related Articles.

A lane is closed ahead. You move over but other cars fly by and cut in before the bottleneck. It's frustrating but experts say it helps traffic flow.

Not all work zones are conducive to zipper merging. While helpful in heavy traffic with a lot of back-ups, INDOT's website states that when traffic is flowing at highway speeds and there is ...

A zipper merge occurs when drivers use both lanes of traffic until reaching a merging point, where motorists then take turns ...

From the editorial: "'Don't worry about being ‘Minnesota nice.’ ... It is much safer for motorists to remain in their current ...

The Michigan Department of Transportation advises drivers to use methods like the zipper merge during road construction. Here's what to know.

PERINTON, N.Y. – If you’ve ever been jammed up in traffic trying to merge, this report is for you. Experts say a method called the “zipper merge” helps traffic flow smoothly. Well, when it ...

DENVER — AAA estimates that more than 60 million people will travel by car this week. That means 60 million people have the opportunity to zipper merge. In the state of Maine, the signs are more ...

Second, in light traffic moving normal speeds, studies have shown that traffic flows more smoothly if drivers merge soon after seeing the “lane closed ahead” sign.

DENVER — AAA estimates that more than 60 million people will travel by car this week. That means 60 million people have the opportunity to zipper merge. In the state of Maine, the signs are more ...