Alrighty,

So your system knows the exact situation and still is slowing down my bike, just at the moment I need to accelerate to avoid being overrun by that large truck heading into me.

How stupid are these folks? We’ve got rules, when people don’t follow those rules, you fine them. Case closed.

No system to prevent a bike speeding, teach people to obey the law.

  • neo2478@sh.itjust.works
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    4 months ago

    People in this thread clearly have never been to Amsterdam. We have protected bike lanes, and where there is mixed traffic, bikes have preference and are actually respected by larger vehicles.

    On the other hand, there has been an increase in accidents due to electric bikes going too fast mixed with normal bikes and pedestrians.

    • hex_m_hell@slrpnk.net
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      4 months ago

      Also eBikes in the Netherlands don’t have acceleators unless they’re illegally modified.

    • jol@discuss.tchncs.de
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      4 months ago

      I’ve been in so many close calls with e-scooter riding in sidewalks in my city. But it’s always a specific kind of asshole that does that.

      • bionicjoey@lemmy.ca
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        4 months ago

        In my city, that specific kind of asshole is someone with multiple DUIs, since they can still legally ride an E-bike

  • hedgehog@ttrpg.network
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    4 months ago

    The speed limits they listed seem so low given that 90% of bicycles in Amsterdam (or at least, those that are “victims” in traffic accidents) are unpowered. I’m not even a hobbyist cyclist, but on my (unpowered) entry-level hybrid bicycle I rode faster than 25 km/h (or 15 mph) the last time I took it out… and heck, I can run faster than 15 km/h.

    The accident stats also don’t back up the idea that e-bikes are a problem demanding regulation, which makes me think that there’s knee-jerk politics at play here rather than this being a clear-headed response to a real problem. I’ll explain how I arrived at that conclusion.

    First of all, as an aside, it’s weird that they said “more than half of all traffic victims were on a bicycle,” when the metric here should be the number of traffic collisions caused by cyclists. But supposing that’s actually what they meant:

    • if half of all accidents are caused by bicycles, then the other half are caused by cars and other motor vehicles. Since bicycles outnumber cars 4:1 in Amsterdam, that means cars are 4 times as likely to cause accidents as bicycles (startling low compared to how much more dangerous they are in the US). They recently lowered the speed limit of cars to 30 km/h, but I’m not sure if the stats take that into account. Maybe it needs lowered further, or maybe they should only allow cars with the same sort of smart governors installed that they’re testing out for e-bikes?
    • One in ten of those cyclists was on an electric bike (meaning 5% of accidents were caused by someone on an e-bike). 57% of bicycles sold in the Netherlands in 2022 were electric, but bikes last a while and they have a ton of them. As of the start of 2023 they had an estimated 5 million e-bikes, and the country has 23 million bicycles total (more than 1 per person). This means that 22% of their bikes are e-bikes, and (assuming that ratio applies to bikes on the road in Amsterdam) then given that only 10% of accidents involving bicycles involved e-bikes, that means that unpowered bicycles are a bit over twice as likely to cause accidents as e-bikes. Honestly, though, the ratio of e-bikes to unpowered bicycles is probably higher - I would expect people are more inclined to ride the new bicycle they just bought rather than one of the ones they’ve had for several years.

    Obviously these stats are fairly sloppy, but I worked with what I could find.

    Assuming my conclusion is accurate, this still doesn’t mean that e-bikes are less dangerous than bicycles - the accidents they’re in may be worse - but it certainly doesn’t suggest that e-bikes are the problem. I’m aligned with the other commenters here - this isn’t going to address the problem of people riding already illegal e-bikes.

    The tech sounds cool and I’d love if it could be applied to cars, too, even if it’s opt-in only.

    • Appoxo@lemmy.dbzer0.com
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      4 months ago

      I can easily ride my bike at 25-30km/h on flat even surface.
      Light hills are more difficult on the long run but I can probably manage 20km/h.

      Edit:
      A relative worked in the ER so I have some ideas why e-bikes are maybe more prone to accidents. My theory: Older folks.
      The usual demographic driving e-bikes usually are/were +50 years old.
      With reflexes being not what they were and them going out more due to being mobile again, they surely are more prone to be involved in traffic accidents.

      • hedgehog@ttrpg.network
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        4 months ago

        Makes sense, and is aligned with the “reduced barrier to entry” theory posited by another commenter. Just to be clear, though, what I read (though very imperfect stat-wise) suggests that e-bikes are less prone to accidents, not more.

    • gerryflap@feddit.nl
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      4 months ago

      I don’t have the data to back it up, but as someone who lives in the Netherlands I can tell you that e-bikes definitely seem like a problem. People who ride a normal bike to go somewhere definitely don’t go faster than 15 kph on average. You totally can do so if you want, just like you can run everywhere instead of walking, but then you might arrive sweaty and out of breath. E-bikes allow people who don’t usually have the physical strength to cycle that fast to suddenly go 25 kph without much effort. Especially children and elderly are a problem. The bikes are heavy, meaning that they’re hard to control for these groups. And children and elderly also both often lack the awareness of their surroundings needed for driving this fast. I’ve seen many dangerous situations where these groups on an e-bike yeet into a crossing, suddenly have to brake due to other traffic that they failed to account for, and then almost fall over or crash.

      E-bikes have a way too large speed difference with normal bikes, and imo they’re definitely a danger. Anything that makes them slower is imo a good thing.

    • BoscoBear@lemmy.sdf.org
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      4 months ago

      The US has several proposals for this on cars. You say opt in only. How about this: when you exceed the speed limit the car automatically notifies the government so they can fine you. You can opt-in to have the car automatically control you top speed so you don’t get fined.

    • max@feddit.nl
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      4 months ago

      25 km/h is a sporty bike ride tempo, not a going to the shops to get some food bike ride tempo. Especially considering that most bikes here are upright sitting city bikes rather than sporty, leaning forward bikes.

      • DillyDaily@lemmy.world
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        4 months ago

        I have a step through frame that you sit upright on. 20-25km/h is my average commuting speed for getting to work and going to the shops. I regularly have to push to 30km/h+ because of motor traffic trying to ride up my ass even though I’m in the designated bike lane. (cars in Australia like driving fast in the bike lanes to avoid the chicanes on the road designed to slow motor traffic for cyclist safety)

        If ebikes are disproportionately represented in cycling accidents, then I would argue it’s not the speed, it’s the barrier to entry. People who have never ridden before, people who aren’t physically able to ride a standard bike, these groups make up a significant portion of ebike riders because ebikes are accessible.

        Yes, speed will contribute to this, people with limited riding experience being able to ride fast, possibly without the physical fitness required to control a bike at high speed.

        The issue then isn’t the speed itself, but rider education and training.

        • hedgehog@ttrpg.network
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          4 months ago

          If ebikes are disproportionately represented in cycling accidents

          To be clear, based off the (incomplete) data I have, it looks like e-bikes are under-represented. 22% of bicycles are e-bikes and e-bikes only make up 10% of cycling accidents.

          It’s possible the 10% stat was of total accidents, making it 20% of cycling accidents, meaning they’d be properly represented. Or maybe the stat is from multiple years ago, when e-bikes made up 10% or less of bikes on the road. Or both, in which case they would be over-represented, at which point it would at least make sense to include the stat.

          If they are over-represented, what you said would make sense! And at that point, I would think it would be most effective to focus on providing more opportunities for training and education to riders. Maybe they’re already doing that, too, and this is just one more thing they’re exploring.

      • Appoxo@lemmy.dbzer0.com
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        4 months ago

        Maybe in NL.
        On my bike commute (about 4km one-way) lightly down hill I can easily reach 30km/h.
        Uphill the same route (depending on how fit I am) I can more or less pull 25km/h through.

        Though I am not in a busy city. I would probably get killed with the way I am driving where I live.

        • bassad@jlai.lu
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          4 months ago

          sure, 2019 EU regulation, to apply in 2022 and 2024 : https://road-safety-charter.ec.europa.eu/resources-knowledge/media-and-press/intelligent-speed-assistance-isa-set-become-mandatory-across

          you still can de-activate it, but you have to do it every time you run the car.

          To stay in topic : In some cities there is already an automatic speed limit to 5km/h in certain areas (packed narrow streets in city center, around schools…) for rental scooters, so it is not surprising they want to extend it to all electric mobility. Even for cars speed limit is often limited at 30 km/h in city centers.

          • Ravioli@lemmy.world
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            4 months ago

            My current (2023 model) has such sensors and cameras to detect speed limits and switches cruise control based on it. It gets it wrong way too often to actually enforce it. E.g. 50kmh roads turning into highways and the car not recognising the highway sign due to a bush, the fact that Dutch highways have different speed limits at different times often without clear signing, or even the opposite problem where it’ll see a 120kmh sign from another lane and active cruise will suddenly speed me up to that on a 50kmh bend.

          • utopiah@lemmy.world
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            4 months ago

            Damn, finally. Can’t wait to see this actually take place. Only ambulances, firefighter or such services that genuinely need the speed and can justify it should be able to go fast in a city. On a highway where everybody are in properly protected vehicle all going in the same direction, sure, go fast, but a city where people actually live, kids walk to school, people walk their dogs, why going over the speed limit where you could literally kill someone.

            July 2024 is very close but I wonder what will be the percentage of cars on the roads supporting ISA. I imagine less than 1% so curious about the rate of change. I imagine that due to LEZ though it could go relatively fast. There is hope after all for a city genuinely made for people.

            • BoscoBear@lemmy.sdf.org
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              4 months ago

              I’m all for it too. We are in the minority but it would have so many advantages. Beyond just speeding it reduces the desire for aggressive driving too.

            • loutr@sh.itjust.works
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              4 months ago

              Yeah I’ve been wishing for something like this for a long time. Actual conversation I once had:

              “Drugs are illegal because it’s bad for you! We’re protecting you against your bad choices!”

              “OK then, it’s illegal to go faster than 130km/h everywhere in France, why don’t you protect me and others against my bad decisions and forbid selling cars that go higher than that?”

              Mumbles something about personal freedom

  • Crampon@lemmy.world
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    4 months ago

    Being a pedestrian in Amsterdam can be pretty bad. Dutch on bikes are insane. No slowing down is allowed. The bike might be rigged like the bus in Speed or whatever. Ready to explode.

    People on heavy e-bikes are riding 25km/h over pedestrian crossings with poor visibility.

    It is dangerous, and should be treated as such.

    Cars in Amsterdam is a much smaller consern than bikes. Really.

    Been there. Beautiful city. Terrible biking culture. The Dutch know. They reference it occasionally.

  • intensely_human@lemm.ee
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    4 months ago

    As a conservative it warms my heart to see so many people in this thread responding with indignation to government intrusion.