this post was submitted on 05 Jul 2024
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Could be someone slowly passing. Which can cause issues, even if it is totally legal.
...nothing wrong with passing slowly as long as folks merge right afterward...
If someone takes a really long time with it, it can cause a huge holdup which can cause issues.
...if everyone keeps right except to pass, any holdups are only briefly intermittent while traffic as a whole flows at an optimal pace for the road capacity...
...traffic-flow problems come from lazy drivers attempting to passively ride in a steady state rather than actively driving...
I mean passing very slowly as in taking very long time doing it. I've seen it, someone passing like 1km/h faster than the car they're passing. Others will come up behind the first car, want to pass and are stuck driving slow. Not ideal.
1km/h is 28cm /s - they'd take about 25 seconds to pass a car. 25 seconds isn't all that long
You're making some tight passes here and hanging really close to the other cars with those numbers. And for overtaking someone, even the 25 seconds is a while.
...sure it is; let the slow traffic pass the slower traffic and net flow is optimised...