Merging at the last minute is the correct way to do it.
Zipper merge, you fucks!
this post was submitted on 03 Jun 2026
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thank you. the math agrees, too. zipper merges are the way to go!
Depends. If there’s lots of traffic, yes. If it’s sparse enough that you can merge without slowing people down too much, just do it early.
Yeah, that's the big asterisk on the "zipper merging is more efficient" premise. It assumes that things are already bottlenecked. If you have the space to merge early without slowing down, you do that. People trying to force their way in at the last minute (when they didn't have to) is one of the things that triggers the bottleneck in the first place.
Zipper merge is always the most efficient if people dont prevent merges, regardless of road conditions. It means both open lanes are used to move cars forward until the last moment when they cannot. "Move over early" means less throughput in the system, no matter "how open" one lane is at some point.
By blocking merges, you causes braking, which is what causes traffic. You framing people driving efficiently to prevent traffic as "people trying to force their way in last minute" means its you creating traffic, not them.
You're arguing from a sense of moral suppority, I.e "I got in line early, you should have to," not from a sense of efficently moving cars down a road.
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I would agree with this if literally anyone else knew how to zipper merge
The solution is educating people about zipper merging, not getting angry at those who actually do it.
Here in Poland it works quite well, at least when the merge is expected.
But we have signs reminding people of that and they also display this kind of driving tips on info boards on motorways when there is nothing more important.
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At a respectable speed though, merge lane is not a passing lane. My rule is whatever speed can be maintained stay with the car speed in the lane to be merged into, jamming the front punishes everyone cueing properly.
The the merging lane is empty for a half km, then it's proper to drive to the front and merge. If you just drive slow, then you're a problem for the sake of being a problem.
Drive to the front, match speed, zipper merge. It isn't hard.
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Gave a ride to someone who for one hour kept bitching about drivers who use zipper merge properly. didn't want to tell him he was wrong.
he was so convinced and fuel by hatred of better drivers.
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Zipper merge is best merge you dingus.
Yep. Science says OP is wrong: https://www.acg.aaa.com/connect/blogs/4c/auto/zipper-merge-keeps-traffic-moving
ISTR there being some indication that as speeds increase, merging further away from the "final merge point" can help, but that's for designing roads with permanent lane reductions, not for temporary lane closures due to construction, accident, etc. But, I also couldn't find that science when I looked for it.
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In Australia if your front two wheels are ahead of the other person's front two wheels, and you're indicating to move into their lane - they have to let you in. It's the law.
Takes a lot of the rage out.
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Learn what zipper merging is you fuckin potato.
Or do you want backups to take up twice as much space as they need to? It's about efficiency. If everybody zipper merges, you still get your fucking turn.
Yeah people like this are fucking idiots. Just let the dude over it's not going to slow you down it's not going to stop you shit if it cost you 15 seconds oh my god what the fuck ever. People are fucking retarded when they think that they have the right to own a lane.
The thing is that selfish people trying to skip to the front of the line and cut in front of the people in the through-lane right behind another merging vehicle instead of taking their turn alternating with through-lane vehicles absolutely do create congestion which can back up a long way.
Zipper merges only work when people in the merging lane aren't being selfish assholes and trying to do that.
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THAT’S THE CORRECT WAY.
Merge at the lane end for fuck’s sake.
Everyone that merges early creates a spot for the closing lane traffic to move up and slows down the through lane, then the next person does it, slows the thru lane, repeat ad nauseam. So if you think you’re being smart merging early you are actually fucking up the flow. There are always people going to be running up the closed lane to try to take “cuts”, so how do you prevent that? By everyone zipper merging at the end! No open lane for them to “cheat.”
Zipper merge at the end is the only way.
Source: I see this every single day I drive to work in an area with shit road design, heavy traffic, and bad drivers.
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Why is it always boomers that fail to comprehend the zipper merge?
.... Is it the lead poisoning??
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This article falsely assumes the only options are halting traffic to wait for an opening or dash faster than speed of traffic until the end of the lane closure then just expect someone to allow room so kinda a bad explanation of zipper merge and proper driving etiquette
Not sure if you took drivers ed but zipper merging is not zooming past stopped cars to last second dart over in the shoulder, it’s speed matching the lane you are merging into to weave in like a zipper. Crazy how even the name isn’t informative enough for people to understand the concept
So if the traffic is slowed down you want everyone to just move over early making it even worse…?
No, you populate both lanes than alternate right of way.
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I don't understand people like this. There are two lanes. Use them. If everyone merges into one lane over two miles it's going to create a HUUGE backup. Use both lanes, zipper merge at the end. Stop being stupid and use your brain instead of your emotions.
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If it's a lane closure, yes, you zipper merge at the end-- imo, because you need visual confirmation of what's happening but also because it's predictable and usually both lanes are already matching speeds and zipper merging ahead of you. There's no need to complicate things with an early swap. Granted, I rarely see a lane closure warning more than 100 meters, if at all... in my tiny car, the best indicator that we're merging is sudden lane changes of everyone in front of me.
Where I draw the line is when there's an exit only lane on a freeway and people are zooming along and suddenly want in. Did they jump into that lane just to get ahead? Or are they a helpless victim of circumstance from the latest onramp and unable to merge until now? I let them in, but I'm usually bitter about it.
just let them merge for fucks sake
I remember an article from a certain parody magazine about "the state is introducing the Velcro merge, because majority is to stupid for the zipper merge" and they photoshopped a street sign with cars in random angles honking at each other xD
I think people forget that nobody is racing you. If someone merges into traffic in front of you, theyre not winning and youre not losing. It's all OK. You dont have to be upset.
Oh they read it, that's why they're there. It's faster.
Upvoting all of OPs posts because you gotta respect the commitment
I let drivers like this in every time.
It doesn't cost me anything, and avoids a dangerous situation for myself and everyone around when they inevitably push in regardless.
My ego isn't so fragile I have to flex my power, it's not my job to teach them, and they wouldn't learn anything anyway.
Do you like grid locked traffic? Because merging 2 miles early causes grid lock traffic.
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