THE VIDEO SHELF · road design and speed limits
The Wrong Way to Set Speed Limits [ST06]
Not Just Bikes explains how North American speed limits are set and why posted limits matter far less than street design. It argues that drivers follow the road's cues, so safe speeds have to be built into the street.
Why HN readers recommended it
Recommended again and again in traffic-safety threads as an eye-opener on road design versus posted limits and driver behavior.
This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.
Video & recommendation details
- Creator / channel
- Not Just Bikes
- Topic
- road design and speed limits
- Format
- explainer
- Level
- general
- HN recommenders in dataset
- 9
- HN mentions in dataset
- 13
- Recommendation years in dataset
- 2021–2025
These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.
From the original HN conversations
Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.
I think my first intro to this was from a Not Just Bikes video on speed limits [1], and that profoundly affected my opinion on this stuff. I now think a lot of road design is just utterly broken, and it includes speed limits, what …
gregmac on Hacker News · 2022-03
In New speed camera ‘detect’ vehicles braking as they approach> MUTCD designs streets similarly to rural highways, and this can create conditions where people speed when they need to be driving slowly, because the design of the street doesn't reflect the speed the sign says you need to be driving. Not Just Bikes covers …
noirdujour on Hacker News · 2023-01
In America’s roads and highways have a big, fat style guideEurope has a lot more roads with a lower design speed. Curves, narrow lanes, on-street parking, trees/poles/etc close to the road. These things cause people to drive slower, because it doesn't feel safe to go fast. In North America, roads are usually built in the …
gregmac on Hacker News · 2024-05
In Bollards: Why and What
Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.