From @sjamieit.bsky.social:
The City of Ottawa posted the raw speed data from before and after Doug Ford banned speed cameras and the effect is so obvious it's not even necessary put a line marking when that happened.
This chart shows the percentage of drivers going 15km/h or more over the posted limit.
The data: https://open.ottawa.ca/datasets/52f34797978c44c1820b8b2d7a4ae3ed
@TimWardCam @c_9 I want to know more than KSIs ...
In my little village in France many cars and trucks are going at >50kph
No child is allowed by their parents to roam the village on their bike with friends.
I'm wondering if their is a link between those two.
Making a car centric world have huge social consequences
@TimWardCam @benjamin @c_9 you say that like it’s a bad thing, and the suggestion that the only benefit to lower speeds is reducing people being killed or seriously injured is absurd.
Our town moved to mostly 20 mph limits at the start of 2025 and road noise is significantly reduced, and walking my kids to school *feels* massively more safe and is generally far more pleasant.
Pedestrians managing not to be killed or seriously injured by idiots in 2 ton machines feels like a low bar.
@matthewbadger @benjamin @c_9 The relationship between elected councillors and the paid staff can be quite complex, that was just one detail.
For my own contribution, take a look at #Cambridge. The city-wide 20mph scheme was my project.
@TimWardCam thank you for your efforts!
It’s so sad that in the U.K. we continue to build homes in such a car-oriented way that 20 mph limits in residential areas are anathema to a significant fraction of the population. I’m privileged to live near the centre of town (absolutely intentionally though) and I can’t imagine having to get in the car for pretty much everything.
@c_9
Ah. Obviously it raises one question, how is data collected.
Before is easy, the speed cameras measure the speed of everything that passes them, even the cats that go slower than the limit.
But afterwards? How was the data collected?
Sorry the data scientist in me wonders.
They're not speed cameras, they're surveillance tools that can be used as speed cameras.
Off-topic, are you aware that the owner/operator of your mastodon instance is accused of defrauding the Inglewood Community League in Edmonton?
https://www.cbc.ca/news/canada/edmonton/inglewood-league-lawsuit-missing-funds-9.7136933
@c_9
So, the speed cameras are there as a workaround for badly designed roads.
If you design the road for the speed you want people to drive, most people aren't going to drive faster. Because doing so *feels* unsafe. Where as if you design a road that feels like the German Autobahn, people are going to drive fast whether that's actually safe or not.
Build better roads, don't fine people for using the road as designed.
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