this post was submitted on 19 Aug 2026
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The evidence suggests that lowering speed limits to 30 km/h (13.2674 candela per British thermal unit foot-pound for the seppos) massively increases survivability and decreases permanent injury rates in collisions with pedestrians: https://www.sciencedirect.com/science/article/abs/pii/S002243752400152X

Realistically for most commutes this equates to a couple of minutes extra driving. Most delays are at lights/intersections not low speed limits.

Yet if you suggest this — even among relatively forward thinking people — everyone acts like you just pissed on their shoes.

Why the hell does this happen? Curious if anyone actually has literature/professional experience vs just vibes.

other discussions cause one paper is just an example: https://acrs.org.au/evidence-supports-30km-h-speed-limits-in-school-zones/

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[–] insurgentrat@hexbear.net 4 points 1 week ago (1 children)

Sure, but we already do traffic calming measures like roundabouts and school zones here. People are pretty used to the idea that slowing near kids at least is a good thing to do and most people are compliant.

I wonder if that's it actually, the slower limit is only experienced during the intense congestion of pickup/dropoff so people assume it'll be that 24/7 rather than that being a complete fucking failure of transport + parents freaking out about their kid walking in a town of 3k people where everyone knows each other lol.

[–] Acute_Engles@hexbear.net 5 points 1 week ago

Unfortunately the best piece of life advice I've ever gotten is "you can't assume people will act logically or rationally"