Overtaking on speed humps

Overtaking on speed humps

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Discussion

UTH

9,008 posts

179 months

Wednesday 5th October 2022
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donkmeister said:
FNG said:
donkmeister said:
OP, bit of a "Bradford" manoeuvre isn't it though? hehe

Nothing wrong with it legally, and at least you waited for a couple of humps to check the other driver wasn't going to go diagonally or straddle the centreline.

I've had people overtake me in similar circumstances only to hold me up on the next NSL stretch. Generally anything that can straddle the bumps or take them at speed isn't much good at taking corners in a spirited manner.
2004 Impreza WRX. It was really very decent over speedbumps.
Fair dos... Wasn't the police obsession with Imprezas and Evos (for a while) due to the ability of a "rallycar for the road" at flying over speed bumps and potholes?
I can confirm that I do not enjoy speed bumps or potholes in my Evo VI.

brisel

873 posts

209 months

Wednesday 5th October 2022
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The main hazard is the overtakee who will be concentrating on the hump, not checking their mirrors for vehicles coming from behind. One scrape from straddling one hump could result in them putting their wheels across both on the next one, crossing the centre line in the process and cutting you off.

You also have to consider the damage to your inside shoulders of your tyres and suspension geometry by hitting the edges of the humps at speed, even 30 mph.

waremark

3,243 posts

214 months

Friday 7th October 2022
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brisel said:
The main hazard is the overtakee who will be concentrating on the hump, not checking their mirrors for vehicles coming from behind. One scrape from straddling one hump could result in them putting their wheels across both on the next one, crossing the centre line in the process and cutting you off.

You also have to consider the damage to your inside shoulders of your tyres and suspension geometry by hitting the edges of the humps at speed, even 30 mph.
I am surprised you would go over any sort of speed hump at 30 mph. I would not expect to go over one at a speed which could conceivably affect tyres or suspension.

Phil Dicky

7,162 posts

264 months

Friday 7th October 2022
quotequote all
waremark said:
brisel said:
The main hazard is the overtakee who will be concentrating on the hump, not checking their mirrors for vehicles coming from behind. One scrape from straddling one hump could result in them putting their wheels across both on the next one, crossing the centre line in the process and cutting you off.

You also have to consider the damage to your inside shoulders of your tyres and suspension geometry by hitting the edges of the humps at speed, even 30 mph.
I am surprised you would go over any sort of speed hump at 30 mph. I would not expect to go over one at a speed which could conceivably affect tyres or suspension.
Just replaced 4 21" tyres on my Audi A7, all had significant cracks on this inside tyre walls. The cause as explained to me by several experts being speed bumps and straddling them.


Pica-Pica

13,926 posts

85 months

Friday 7th October 2022
quotequote all
Phil Dicky said:
waremark said:
brisel said:
The main hazard is the overtakee who will be concentrating on the hump, not checking their mirrors for vehicles coming from behind. One scrape from straddling one hump could result in them putting their wheels across both on the next one, crossing the centre line in the process and cutting you off.

You also have to consider the damage to your inside shoulders of your tyres and suspension geometry by hitting the edges of the humps at speed, even 30 mph.
I am surprised you would go over any sort of speed hump at 30 mph. I would not expect to go over one at a speed which could conceivably affect tyres or suspension.
Just replaced 4 21" tyres on my Audi A7, all had significant cracks on this inside tyre walls. The cause as explained to me by several experts being speed bumps and straddling them.
Yes, that’s my understanding. I tend to go slower and with one tyre fully over the centre. Fortunately, there are not many cushion humps around my way. I prefer (if I can say that) those fully across the road.

brisel

873 posts

209 months

Sunday 9th October 2022
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waremark said:
I am surprised you would go over any sort of speed hump at 30 mph. I would not expect to go over one at a speed which could conceivably affect tyres or suspension.
I wouldn’t. You would need some kind of speed above the overtakee to complete the manoeuvre within or close to the limit.

Watching those police interceptor type programmes, you see the police driving over these features at pursuit speeds on B&T and I wince as the camera shakes and I hear the crash of the suspension. Needs must I suppose.