Judder bars slow down traffic


The road I live on is fairly narrow and is often used as a shortcut from one suburb to the next. Boy racers like to race up the road to the intersection where my house is situated on a corner site, testing out their turbo’s. A few years ago I joined fellow residents in the street and called for a council meeting to do something about it. We asked for a couple of chicanes with side barriers, basically barriers that run at an angle to the road and force people to slow down to navigate around them. But no, North Shore City council decided to put in fairly long judder bars, that is they go up and the road rises for a bit over a car width and then they go down again.

Now 2 things happen, the first is that people coming from the intersection go reasonably slowly over the judder and then plant it going down the hill. The main casualties are pets, although there are accidents from time to time as they get to the first corner and meet someone coming the other way.

The other thing is people come racing up the road and either don’t notice the judder bar or forget it is there until they have hit it at speed, which is pretty silly because it is right before a T junction. Every night we hear the scrapes of car underbellies as their cars get gravel rash and houses on both sides of the road are showing cracks from the impact, although council denies that this is possible.

Last night at 4:30 AM I heard one of these crashes followed by some clattering. It was pretty loud and I jumped out of bed and raced to the windows to see if there had in fact been an accident. I didn’t see anything and went back to bed. This morning, I got a call to say come and have a look on the corner and you can see on the photo what I found. A rubbish truck had managed to fkip itself and land between 2 trees after knocking down a couple of signs. I hope the driver was ok.

It’s pretty obvious what happened. He must have been coming up the road way too fast, didn’t see the judder bar which would have been like a ramp for motor stunts. He would have been airborn on an angle as he realised there was a corner coming, started to turn just before he hit the air, landed on 2 or 3 wheels , overcorrected and flipped.

If we had the chicane we asked for, there may have been some damage to the truck, although only a fraction of what there was as you can see from the photo and the main damage would have been to the driver’s pride. But then I’m not a traffic engineer, I’m just using a little common sense.judderbar.jpgjudderbar.jpgjudderbar.jpg

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