There are a lot of manhole covers on the first section of my drive to work, and I commknly see people swerving all over the road just so their tires won’t touch them, even jeeps. Why?

  • The_Almighty_Walrus@lemmy.world
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    2 days ago

    Around me, they’re either 2 inches below the road surface, so a giant pothole, or 2 inches above the road surface, so a giant speed bump.

  • NGram@piefed.ca
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    3 days ago

    At least up north around where I live manhole covers are often also either holes or bumps in the road due to things shifting around from the freeze/thaw cycles. Basically potholes with a purpose. Hitting bumps is bad for your car, so that’s a pretty good reason to avoid them. Though I’d never swerve around a bump if I was going to come close to someone else, since that’s much more dangerous.

  • THE_GR8_MIKE@lemmy.world
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    3 days ago

    Because I drive the same way every day. I know which ones to avoid and which ones are fine. I also have to, you know, pay to do maintenance on my car. If I can move the steering wheel a few inches for certain covers rather than spend a weekend replacing suspension, I’ll do that.

  • roofuskit@lemmy.world
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    3 days ago

    My favorite people are those who drive giant SUVs with huge tires lifted way off the ground who do this and also slow down to 2MPH to go over train tracks.

    • CompactFlax@discuss.tchncs.de
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      3 days ago

      Huge tyres? Or huge rims.

      Skinny tires on huge rims and a lift kit will self destruct pretty quickly. Pavement princess trucks are considerably less capable, ironically.

      • roofuskit@lemmy.world
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        3 days ago

        Huge tires, not rims. I get the big rim idiots babying their purchases. I’m talking about regular SUV tires.

      • AA5B@lemmy.world
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        2 days ago

        No. Slowing may make the bump feel worse to you )unless you do it right) while still being less strain on your suspension

        • village604@adultswim.fan
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          2 days ago

          No, you want your suspension to compress. That’s it’s job. But you want it to start compressing as it’s hitting the bump so it drops down on the other side instead of the whole car dipping.

          And I’m not talking about going over it at 50mph. A lot of speed bumps will have a suggested speed posted near or are designed for the posted speed limit. And I’m talking about the people who are basically idling over the bump.

          • AA5B@lemmy.world
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            1 day ago

            The smoothest transition with least chance of damaging suspension is ….

            Mostly stop long enough for the car to stop leaning forward. Then gently accelerate of the bump. No dip, no damage

      • roofuskit@lemmy.world
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        3 days ago

        I drive a Honda fit and don’t baby my tires like these people. Tires that are way smaller and an undercarriage way closer to the ground. Not a vehicle made for bumps like an SUV is. I have never, not once, had to replace my tires from damage other than a piece of debris that got picked up like a nail dropped in the road. I’m on my second Honda Fit as well so I’ve been driving them for some time.

        If SUVs are losing tires to train track they are so insanely overpriced. Their car payments are more than a set of my tires.

          • roofuskit@lemmy.world
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            3 days ago

            Why the fuck do people on lemmy intentionally misquote people to make their points?

            Do you really think people can’t just read my comment? Or did you just not comprehend what I actually wrote?

            If going over manhole covers or train tracks too fast caused tire damage it would have happened to my cars by now. I’ve been driving for over 24 years.

    • VitoRobles@lemmy.today
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      2 days ago

      When I was a kid, I biked on a manhole cover. Right after I passed it, the manhole cover collapsed into the street.

      That Final Destination fear never left me.

  • Admiral Patrick@dubvee.org
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    3 days ago

    In my city, they just keep paving over the old asphalt, so the manhole covers are like 6 inches deep in some places. Hitting one of those in my sedan is not pleasant.

  • AA5B@lemmy.world
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    3 days ago

    After freezing temperatures, construction, and deferred maintenance, manhole covers can be a damaging obstruction

    My car is only two years old, and the one time it needed work …. I hit one of the smaller pieces of road infrastructure - a gas valve maybe. But the pavement was broken up around it so it was a deep hole with a sharp metal edge. It destroyed my tire, a damn expensive tire

  • CMLVI@lemmy.world
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    3 days ago

    As others have said, it’s just not great for the car. Will it damage it if you hit one? Probably not. But if it’s your work route or other commonly taken route, you’re gonna hit it 260x in a year, and you’ll own the car for multiple years. It adds up quick. Plus, they aren’t always smooth to the ground or free of other pot holes and square edges. If you hit it hard enough or if it’s too sharp, jagged, or deep, you can damage the wheel, the suspension, and the tire itself, easily in the thousands of dollars to repair, along with not having a vehicle for up to a few weeks.

    Don’t get me wrong, they shouldn’t really be swerving all over the road, but dodging em when you can is nice.

  • CompactFlax@discuss.tchncs.de
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    3 days ago

    The forces on your suspension can be tremendous. Repeated impacts cause faster wear. Large impacts can cause immediate damage and/or loss of control. The popularity of large wheels means the capacity of the tyres to absorb an impact is reduced, and even with larger sidewalks, tyres can be damaged by impacting a sharp edge. A single OEM rim can cost over $1000; a suspension repair is probably in the same cost range. At this time of year in frosty countries with failing infrastructure, manholes aren’t typically even close to level with the road surface and may be a significant road hazard.

    Jeeps have the handling characteristics of a jeep, and hitting bumps in them is uncomfortable.

  • GreatWhiteBuffalo41@slrpnk.net
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    3 days ago

    As someone who opens them regularly, because so many of the chimneys are collapsing and I regularly wonder how some haven’t caved in yet.

    • BurgerBaron@piefed.social
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      3 days ago

      One I can recall did and my mom got a flipped up lid when she drove over it in a crosswalk which dented her oil pan. The city had decided a pretty brick crosswalk was a good idea where we have intense frost heave. It was not a good idea and created a fulcrum.

      • GreatWhiteBuffalo41@slrpnk.net
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        3 days ago

        I was in Oklahoma one time and I opened a lid on a road and the whole lid fell in because the frame broke as I opened it. City was just kinda like “yeah that happens” and I’m like wtf do you mean that happens?!?!

  • ilillilillilillililli@lemmy.world
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    3 days ago

    Your tire usually drops into them and this shortens the lifespan of struts, ball joints, sway bar links, control arm bushings, and potentially throws off your alignment.