this post was submitted on 19 Apr 2026
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cross-posted from: https://feddit.it/post/28637207

Those who use the bike know this very well: in the city, speeding motorists overtaking other cars, only get one thing: they arrive first to the next red.

With a simple model, the author estimated the probability that one car that overtakes another, will then be reached again at a later red light. Then he estimated the probability that the same thing will happen when there are multiple successive traffic lights, as usual in the cities.

The result is that as fast as an aggressive driver goes, the presence of multiple traffic lights makes it virtually certain that a slower driver will catch up

So, if someone aggressively overcomes you, when you reach him at the next traffic light, you can tell him that it is mathematically proven that he/she is an idiot.

In addition, this study has implications for the 30 km/h city, demonstrating how in urban areas the traffic lights determine the travel times, not the maximum speed reachable between one traffic light and the next.

The original scientific article is here: https://royalsocietypublishing.org/rsos/article/13/4/260310/481212/The-Voorhees-law-of-traffic-a-stochastic-model

crossposted from: https://poliversity.it/users/rivoluzioneurbanamobilita/statuses/116419204210303856

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[–] DarrinBrunner@lemmy.world 13 points 5 hours ago (1 children)

If your commute is 30 minutes, you'd need to drive twice as fast to do it in 15 minutes. So, in the 35MPH zone, you need to do 70, and in the 50MPH zone, you need to do 100--consistently. Which is clearly impossible. If you follow this logic through to a realistic conclusion, you end up at saving at most two or so minutes by speeding as much as you can. Congratulations, you got home two minutes earlier, what will you do with all that free time?

Also, the idea that you've "saved time" is a bit silly. It's not like you can bank that time. You're not going to start work two minutes earlier every day, and end up with ten minutes of "free time" at the end of the work week. You get to work two minutes earlier, or maybe two minutes less late, and you get home two minutes earlier, but that's the extent of the "savings". So what?

Do yourself and everyone else a favor, leave for work two minutes earlier and have a nice, easy commute. Stop being a dick, it's not your road, it's not your right, and it doesn't help you at all. Learn to control yourself, grow up, gain some emotional maturity, stop speeding around, you look like an idiot.

[–] HaraldvonBlauzahn@feddit.org 9 points 5 hours ago

Also, the idea that you’ve “saved time” is a bit silly.

Not to mention that all the extra money which you will need for a car, instead of using public transport or a bike, will require extra paid work time which in many (not all) cases will annihilate any time savings you might have had.