Comment on Make it make sense
UnderpantsWeevil@lemmy.world 1 day agopeople not zipper merging correctl
Zipper merging is more complicated than driving straight forward and requires both lanes to slow down significantly relative to the cars in front and behind them.
FireRetardant@lemmy.world 23 hours ago
The biggest issue with zipper merging is humans need to not be selfish for it to work. Its very efficient when moving well and everyone is in turn, as soon as 1 asshole sneaks in or prevents a merge, it causes the entire flow to stop.
UnderpantsWeevil@lemmy.world 23 hours ago
The biggest issue is that humans need to be aware of all the cars around them. That means using side and rear mirrors, leaving appropriate space for larger vehicles, keeping track of your place in the line, and - also, yes, not being selfish.
If you’ve ever been alongside a semi during a zipper merge, you’d know that’s not true. Their visibility is limited and the vehicle is huge, so they have to move at a glacial pace to complete the merge. Then the people in the leading/trailing positions need to open up a much larger gap than with a traditional car, complicated by the fact that they may not know exactly how big the truck they’re letting in is. And heaven help if there’s something hanging off the back of the vehicle. That’s scary, so it causes nervous drivers to try and get away from the rear of the larger vehicle, which further snarls the traffic.
Like, as a procedure executed by a machine with perfect information of all elements involved, its efficient. As a game theory exercise between individual drivers of different skill and temperament, riding in vehicles of varying sizes, on a road with obstructions and other potential hazards, it is decidedly not efficient.