"Sorry mate, I swerved to avoid the 3D pedestrian crossing"

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Cheesewheel
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"Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby Cheesewheel » Thu Mar 22, 2018 5:41 pm

The jury is out whether these $30 000 pedestrian crossings (set to be rolled out in Cairns) will make motorists more safety conscious or more unpredictable.

http://www.news.com.au/technology/innov ... 7a5353d33b

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Mububban
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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby Mububban » Thu Mar 22, 2018 5:57 pm

If someone thinks they're about to hit a 4 inch high block of something solid, I'd say emergency braking and/or swerving is highly likely.

Also - $30,000 should buy a lot more white, black and grey paint than that?!?
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Philistine
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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby Philistine » Thu Mar 22, 2018 6:54 pm

Do they have goldfish driving cars in Cairns? Surely, drivers will slow down the first time they encounter this crossing, then, once they have worked out it is an optical illusion, they won't bother slowing down again.

On a related note, my local council has developed a full blown fetish for erecting speed bumps in side streets, presumably to discourage hoons from speeding along them. Normal, careful motorists (who would have been driving safely in the first place) are slowing down as they negotiate the bumps, while the hoons blithely carry on their hooning.

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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby Shred11 » Thu Mar 22, 2018 7:27 pm

Philistine wrote:Surely, drivers will slow down the first time they encounter this crossing, then, once they have worked out it is an optical illusion, they won't bother slowing down again.


Yes. Our local council painted fake speed humps on a busy, narrow road, thinking it woukd slow people down. It had no effect whatsoever... apart from a few nose to tail collisions when tourists unexpectedly jammed the brakes on to slow for a non-existent speed hump.

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PA
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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby PA » Thu Mar 22, 2018 7:55 pm

Once a week they will place real 3 dimensional speed humps over the painted ones and step back and watch the carnage. #suckedinlooser
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grimbo
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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby grimbo » Wed Mar 28, 2018 2:41 pm

Philistine wrote:Do they have goldfish driving cars in Cairns? Surely, drivers will slow down the first time they encounter this crossing, then, once they have worked out it is an optical illusion, they won't bother slowing down again.

On a related note, my local council has developed a full blown fetish for erecting speed bumps in side streets, presumably to discourage hoons from speeding along them. Normal, careful motorists (who would have been driving safely in the first place) are slowing down as they negotiate the bumps, while the hoons blithely carry on their hooning.


I wish my council would do this. Every car taking a short cut through our street has to roar up it as fast as they can so they can slam the brakes on at the next stop sign. If they hoons are ignoring them, I assume the speed bumps are not bumpy enough?
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kb
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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby kb » Fri Mar 30, 2018 6:45 am

grimbo wrote:
Philistine wrote:Do they have goldfish driving cars in Cairns? Surely, drivers will slow down the first time they encounter this crossing, then, once they have worked out it is an optical illusion, they won't bother slowing down again.

On a related note, my local council has developed a full blown fetish for erecting speed bumps in side streets, presumably to discourage hoons from speeding along them. Normal, careful motorists (who would have been driving safely in the first place) are slowing down as they negotiate the bumps, while the hoons blithely carry on their hooning.


I wish my council would do this. Every car taking a short cut through our street has to roar up it as fast as they can so they can slam the brakes on at the next stop sign. If they hoons are ignoring them, I assume the speed bumps are not bumpy enough?

The roaring just happens with much greater frequency. Plus some squealing taking off from the top of the bump
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fat and old
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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby fat and old » Fri Mar 30, 2018 1:06 pm

Are the goons the same ones? Get yourself

1. Toy baby stroller, or a tip job
2. Large doll,

Place doll in stroller, wait for the noise. Push stroller into street. Hoon swerves into gutter, tree or fence, destroys car. End of problem. Tried and proven.

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Tequestra
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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby Tequestra » Sun Apr 01, 2018 12:38 pm

Happy Easter All!

If I could ask The Easter Bunny to grant one wish regarding speed-humps, I would wish that the crews who lay them across the road take a bit of care to build a proper ramp that rises gradually from the horizontal tarmac, so that a 26" wheel travelling at under 10km/h will roll gently up and over rather than colliding with the sharp incline before the bicycle has started its upward trajectory.

The damage that speed-humps do to rims and spokes of bikes without suspension, even at fast walking pace, is a bit like smacking the wheels with a 24oz hammer. The positive effect of encouraging road users to adjust their speed is reduced by the negative effect that sharp-edged speed-humps cause to the mechanics of the bicycle, just by rolling over them at anything over 5-6 km/h. It's almost bad enough to make me not believe in The Easter Bunny anymore, honestly.
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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby fat and old » Sun Apr 01, 2018 12:49 pm

Tequestra wrote:I would wish that the crews who lay them across the road take a bit of care to build a proper ramp


Errrr, they do. Your issue is with the design, not the construction. I’ve seen the City of Yarra have speed humps removed and relaid because they were 10mm high or low, or tha approach ramp was 10mm short. The average stone used in the asphalt mix is 10mm.

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Tequestra
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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby Tequestra » Sun Apr 01, 2018 1:03 pm

fat and old wrote:Errrr, they do.

Not where I come from they don't. Happy Easter Mr F&O.

Ten millimetres would be adequate, providing that the gradient was shallow enough that the tyre crossed that first 10mm vertical rise before its front edge hits the hump around half-way up, (guessing 50mm above road surface). Here in Perth, it is more like they just poured the bitumen out like icing on a cake, so there are high vertical edges (around 50mm on the road to The Beach), and then a gradient that is more of a barricade than a ramp for a 26" wheel. It's a bit like flying into little mountains in a plane. The mechanical thing does not have the intelligence to lift itself upwards before it strikes the mountain.

PS: Oh, back on topic, the idea of those 3-D crosswalk paintings is a bit too much of a tricky distraction in my books. It is not a wise move to surprise people with tricks when they are in control of heavy metal vehicles. As mentioned, the outcomes are less predictable when tricks are involved.
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BrisBoy
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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby BrisBoy » Sun Apr 08, 2018 10:37 am

Such a bad idea.

Let's train motorists to ignore their perception that there's a solid object in the road. What could go wrong.

So to the start of April, had to check the date on the first post. Shame really.

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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby Scott_C » Thu Apr 12, 2018 11:31 am

As an alternative to the 3D pedestrian crossing we now have 'smart' speed bumps:
http://www.abc.net.au/news/2018-04-12/s ... ty/9642572

They seem to leave enough room to ride around them but they don't look friendly to ride over if they have been activated.

AdelaidePeter
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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby AdelaidePeter » Thu Apr 12, 2018 2:25 pm

Scott_C wrote:As an alternative to the 3D pedestrian crossing we now have 'smart' speed bumps:
http://www.abc.net.au/news/2018-04-12/s ... ty/9642572

They seem to leave enough room to ride around them but they don't look friendly to ride over if they have been activated.


They don't look friendly to ride a bike over even if they are not activated! Still, so long as they're signposted and able to be ridden around, I guess they'd be ok.

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Tequestra
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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby Tequestra » Fri Apr 13, 2018 8:20 pm

AdelaidePeter wrote:They don't look friendly to ride a bike over even if they are not activated! Still, so long as they're signposted and able to be ridden around, I guess they'd be ok.

Thank you Peter and Happy Friday. When I saw this I was going to start a thread on it because I did two years hard tme at Curtin uni and I've ridden a few bikes around there before, but there was a foot or more on the left, so the photo did not implicate bicycles, so I did not consider that anyone else here would see the relevance.

Thank you for your foresight.

You see, Mr Peter, I can see that this ultimately stupid idea defies the original concept of Newtonian physics, for pneumatic, rubber appendages. The imbecile who thought of such a dangerous and totalitarian kind of idea most likely gets a lift to school with his *mum in the mornings, and has never fixed a puncture in his godforsaken life!

* and she used to know an ABC 'journo' when she went to that phuking uni.
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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby Jmuzz » Sun Apr 15, 2018 3:47 pm

"Crying wolf" on the roads is stupid.
It just desensitizes people to real hazards or causes swerving.

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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby mikesbytes » Mon Apr 16, 2018 10:00 am

Would $30k pay for a real speed hump for the pedestrian crossing?
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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby Jmuzz » Mon Apr 16, 2018 11:37 am

It's not a pretend hump though.
It is pretend undercarriage destroying concrete sleepers on the road, which could cause emergency braking and swerving rather than normal speedbump response.

If you want a cheap hump I can just dynabolt and polyurethane a length of 4x2 hardwood between the two gutters and paint it yellow.

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Mububban
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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby Mububban » Mon Apr 16, 2018 12:16 pm

mikesbytes wrote:Would $30k pay for a real speed hump for the pedestrian crossing?


I dunno but it could buy 1200L of exterior paint from Bunnings....
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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby Jmuzz » Wed Apr 18, 2018 11:03 pm

They claim it has to be fancy paint.
Sounds like BS though, $140 to paint my garage with good two pack non slip stuff which hasn't worn through at all.

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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby bychosis » Wed Apr 18, 2018 11:36 pm

mikesbytes wrote:Would $30k pay for a real speed hump for the pedestrian crossing?


Should be well under $30k to install an asphalt hump there. One of the proper ramp up, flat crossing section and ramp down. If there are changes necessary for the kerb then it could get to $30k pretty quick.
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Re: "Sorry mate, I swerved to avoid the 3D pedestrian crossing"

Postby jakejhonson44 » Mon Apr 23, 2018 3:32 pm

Shred11 wrote:
Philistine wrote:Surely, drivers will slow down the first time they encounter this crossing, then, once they have worked out it is an optical illusion, they won't bother slowing down again.


Yes. Our local council painted fake speed humps on a busy, narrow road, thinking it woukd slow people down. It had no effect whatsoever... apart from a few nose to tail collisions when tourists unexpectedly jammed the brakes on to slow for a non-existent speed hump.


That's why I think that humps should've been implemented instead of this.

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