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20 MPH zones

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DrFfybes
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Re: 20 MPH zones

#276116

Postby DrFfybes » January 9th, 2020, 9:47 am

airbus330 wrote: They have resorted to putting in speed humps on 50mph roads which are unlit and virtually unmarked.


They have?

Road humps can only be used on roads with a speed limit of 30mph or lower.

More than you ever wanted to know about road hump design on pages 47 onwards here
https://assets.publishing.service.gov.u ... alming.pdf

Paul

airbus330
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Re: 20 MPH zones

#276141

Postby airbus330 » January 9th, 2020, 11:02 am

DrFfybes wrote:
airbus330 wrote: They have resorted to putting in speed humps on 50mph roads which are unlit and virtually unmarked.


They have?

Road humps can only be used on roads with a speed limit of 30mph or lower.

More than you ever wanted to know about road hump design on pages 47 onwards here
https://assets.publishing.service.gov.u ... alming.pdf

Paul

Thank you for referring me to this document. I'm going to do a little survey of some of the particularly inappropriate speed humps around. The one that really bothers me is on a 50mph road on the approach to a small town. The humps were installed approx. 1 mile out of town, left unmarked and unsignposted for some months. Subsequently the white direction arrows were painted on them, but were virtually invisible at night as the road is unlit. I presume that at some point the speed restriction to 30 has been added, but I will check that. What really gets me mad about this is that speed humps properly designed and installed don't have to be dangerous, but the simple hump type dumped in the middle of an unlit country road, IMHO,is.

quelquod
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Re: 20 MPH zones

#277345

Postby quelquod » January 14th, 2020, 12:55 pm

I believe that the implicit speed limit on roads where the street lamps are closer together than 200 yards is 30mph. Does that mean that 20mph limit zones require regular signage rather than only on entry?

DrFfybes
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Re: 20 MPH zones

#277355

Postby DrFfybes » January 14th, 2020, 1:36 pm

quelquod wrote:I believe that the implicit speed limit on roads where the street lamps are closer together than 200 yards is 30mph. Does that mean that 20mph limit zones require regular signage rather than only on entry?


It used to be that Limits need repeaters, Zones don't.

However the last few years no repeaters are required, but more worryingly you only need the sign on one side of the road (and it can be either side) when you enter the limit. It doesn't take much imagination as to how this can cause problems.

Paul

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Re: 20 MPH zones

#277380

Postby Sobraon » January 14th, 2020, 2:33 pm

Over 2,000,000 speeding tickets were issued in 2017 in the UK ( Scott, The Telegraph, Oct 2018). I don't want one of them so my car has a head-up display and 'detects' speed limits. I also use a Tom-Tom app, Waze and the car's limiter to ensure I don't exceed the limits.

On one road in Lincoln I kept getting warnings on the the Apps and the HUD that I was speeding at 30 mph. On the road there are no repeaters I could see and no 'road furniture' which I understood was required in 20 mph Zones. Currently the penalty for 31 mph in a 20 zone is 4-6 points + 100% of relevant weekly income. The image shows the road where I got the warnings.
Image
So I checked and on the image shown (Google Street view of a school entrance just of Yarborough Rd in Lincoln - hopefully compliant with the Lemon Fool image 'rules') is an entrance to a 20 mph zone (can you see it?). To be fair there is a roundel on the other side of the road and an a attempt at road markings ( i would guess this picture is a couple of years old) but turning into the junction from either direction one's attention is on the School entrance and the pavement. The zone extends much further than the school entrance and well into the housing area further away into the image.

I mentioned this to a couple of police officers and their response was if you get caught take it up with the magistrate - pragmatic of course. My pragmatic response is to do as I mentioned above and 'instrument up' the car to ensure I can stay within the speed limit with my eyes on the road!

AF62
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Re: 20 MPH zones

#277386

Postby AF62 » January 14th, 2020, 2:51 pm

Sobraon wrote:So I checked and on the image shown (Google Street view of a school entrance just of Yarborough Rd in Lincoln - hopefully compliant with the Lemon Fool image 'rules') is an entrance to a 20 mph zone (can you see it?). To be fair there is a roundel on the other side of the road and an a attempt at road markings ( i would guess this picture is a couple of years old) but turning into the junction from either direction one's attention is on the School entrance and the pavement. The zone extends much further than the school entrance and well into the housing area further away into the image.


There are roundels both sides and the road marking? - https://goo.gl/maps/wybr6CQVvcx1J5X8A


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