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Comment by throwaway9832 | Hacker News Reader

The legislation in the Anglosphere countries? Are you slow?

Where in Australia, New Zealand, Singapore, UK, Canada, or even most of US can you go 10 km/h over speed limit and not get fined?

For your other points.

1. Where? other than steep grades, differential speed is not a thing. 2. Where again? Which trucks? Majority of trucks can do highway speed just fine, despite their 3 to 10x stopping distance. 3. Fewer tracks where? Most of Australia and New Zealand runs on trucks. But even if they're rare, truck accidents over 60 are often fatal due to their weight and energy. 4. Professional drivers can't adjust the laws of physics. Stopping distance is stopping distance.

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You were replying to a comment saying "studies have shown lower speed limits reduce accidents" with something along the lines of "but who cares if I go 10 over the limit, trucks have more mass and are more dangerous at the same speed". I can't even see your original comment since it was flagged, presumably for being total nonsense.

This is not one vs the other, multiple things can be true. Trucks are individually more dangerous than cars. There are far more cars than trucks on basically every road basically everywhere. Cars are driven by any idiot in all kinds of situations, trucks are driven by professionals during their regulated working hours.

I reply because "studies have show that claims of studies have show are often false".

There is absolutely zero chance any respectable study would support that focusing on maintaining exactly 110 km in a 110km is safer than allowing a 10% buffer (going 10km over) so you can focus on the road and spend more of your attention on spatial awareness than staring at the odometer.

Second, it is not about "who cares", it is about road design, a road that is up to standards of allowing a b-double doing 110km means a smaller car can safety do 140km or more. It is exactly one way or the other. It is either unsafe for B-Double to do 110km or a small modern car to do 140km. It is simple laws of physics.

You can't see my original comment, so opt to make some nonsense assumptions to feel good about yourself. By God,this place is a cesspit of arrogance.

Nobody claimed any study found that zero percent speed tolerance is beneficial. They said speed limits in general. You're arguing against something nobody ever said.

And no, it's not strictly "if a truck can safely do X then a car can do X+Y. It's not just about physics. There are more cars than trucks, so speed limits matter more for cars. A truck getting into a crash is worse, but less likely. Trucks also already have lower limits in many places, so this isn't even relevant in most places.

Here, truck speed limits: https://dhl-freight-connections.com/en/business/truck-speed-...

> There is absolutely zero chance any respectable study would support that focusing on maintaining exactly 110 km in a 110km is safer than allowing a 10% buffer (going 10km over) so you can focus on the road and spend more of your attention on spatial awareness than staring at the odometer.

You can accomplish that equally easily by sticking to 100 km/h.

What is it with the word "limit" that is so hard to understand? It's not the suggested speed, nor the target speed, nor the minimum speed. It's the maximum speed.

If you stick to 100, then every tom, dick, and harry will overtake you creating a lot of opportunity for mistakes.

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