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PostPosted: Sun Dec 03, 2006 00:30 
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Something caught my attention before which I'd like clarification on. Picture the situation:

50mph road with two 50mph roundels on either side of the road (on fluorescent backing) declaring the start of a 50mph speed limit.

Later on the road turns to 30mph, with one standard 30mph roundel on the right hand side of the road, and a 30mph roundel contained as part of a "Humps for xxx yards" sign (I will post a picture tomorrow).

Anyway, the point is, a bit further on you can turn left onto a road which has a one of those camera signs with a 30 roundel under it, and a regular 30mph lolly repeater 200 yards further on. Now, sometimes there is a safety camera van which enforces this limit at this point.

Is this limit valid and enforceable? I thought there had to be two "30mph" roundels either side of the road of type P670 to make this enforcable, and that repeaters were not legally enforcable if these weren't in place. Is this correct?


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PostPosted: Sun Dec 03, 2006 00:45 
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Is there streetlighting present?

There are a few situations where one sign on the nearside is correct (usually at junctions) but generally you are correct, terminal signs are required on both sides of the carriageway, according to the TSRGD 2002.

Quote:
The placing of certain signs to indicate the beginning of a restriction, requirement, prohibition or speed limit
8. - (1) This direction applies to the signs shown in diagrams 616, 617, 618, 618.1, 618.2, 618.3, 618.3A, 619, 619.1, 619.2, 620, 620.1, 622.1A, 622.4, 622.5, 622.6, 622.7, 622.8, 622.9, 625.1, 626.2A, 627.1, 629, 629A, 629.1, 629.2, 629.2A, 632, 642, 646, 663, 663.1, 665, 667, 667.1, 668, 668.1, 670, 672, 674, 951, 952, 953, 953.1, 955, 956 and 957.

(2) In accordance with the following provisions of this direction and the provisions of direction 9, appropriate signs to which this direction applies shall be placed to indicate the point at which a restriction, requirement, prohibition or speed limit applying to traffic on a road (in this direction and in direction 9 called "the relevant road") begins.

(3) Subject to paragraphs (4), (5) and (6) and to direction 9, a sign to which this direction applies shall be placed on the relevant road at or as near as practicable to the point referred to in paragraph (2) -

(a) where the relevant road has only one carriageway, on each side of that carriageway; or

(b) where the relevant road has more than one carriageway, on each side of each carriageway in relation to which the restriction, requirement, prohibition or speed limit begins.


(4) Where the relevant road has one carriageway, then signs to which this direction applies need only be placed on one side of the relevant road to indicate the point at which a restriction, requirement, prohibition (but not a speed limit) begins in the following cases -

(a) where the restriction, requirement or prohibition applies only to traffic on one side of the relevant road; or

(b) at a junction where -

(i) traffic proceeding on another road on which it is permitted to proceed only in one direction turns into the relevant road; or

(ii) the carriageway of the relevant road is less than 5 metres wide and the sign is so placed that its centre is within 2 metres of the edge of the carriageway.

(5) Where a length of road which passes under or through a bridge, tunnel or other structure is subject to a prohibition on vehicles exceeding a particular height, the sign shown in diagram 629.2 or 629.2A may be placed on the bridge, tunnel or other structure to indicate the prohibition in addition to or instead of the signs required to be placed by paragraph (3).

(6) Paragraphs (3) and (4) shall not apply to the signs shown in diagrams 667, 667.1, 668 and 668.1 which shall be placed on the side of the carriageway on which parking on a verge or footway is permitted and as near as is practicable to the point at which the length of the verge or footway concerned begins.

Beginning of a speed limit - further provisions
9. - (1) Direction 8(3) does not apply where a speed limit in force on the relevant road begins -

(a) at a point where the relevant road begins, being a point where it has no junction with another road; or

(b) at a point where the relevant road has a junction with another road and the same speed limit is in force on both roads.

(2) This paragraph applies where the relevant road has a junction ("the junction") with the side of another road ("the other road") and a maximum speed limit is in force on the other road which is different from the speed limit in force on the relevant road.

(3) Where paragraph (2) applies, it is sufficient compliance with direction 8(2), for the purpose of indicating the beginning of the speed limit on the relevant road to traffic entering it from the other road, if the sign shown in diagram 670, 674 or 675 is placed not further than 20 metres from the junction, on the left hand or near side of the carriageway of the relevant road as viewed in the direction of travel of such traffic or, where the relevant road is a dual carriageway road, on the left hand or near side of the carriageway by which traffic may pass into the relevant road from the other road.

(4) Where paragraph (2) applies, for the purpose of indicating the speed limit in force on the other road to traffic entering that road from the relevant road, the sign shown in diagram 670, 674 or 675 shall (subject to paragraph (5)) be placed not further than 20 metres from the junction and so as to be visible to such traffic, on each side of the carriageway by which traffic may pass from the relevant road into the other road.

(5) Paragraph (4) does not apply if -

(a) the maximum speed limit in force on the other road is greater than that in force on the relevant road; and

(b) signs indicating the maximum speed limit have been placed on the other road in accordance with direction 11 on each side of, and not more than 100 metres from, the junction.


hope that helps
fatboytim


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PostPosted: Sun Dec 03, 2006 01:00 
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There is streetlighting present. Does that make a difference? My thoughts were that any tickets generated by the camera van would be invalidated by the preceding lack of twin terminal signs indicating the start of the 30mph limit, despite there being a 30mph repeater.


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PostPosted: Sun Dec 03, 2006 05:38 
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From what I have heard, from a legal point of view street lighting trumps :30:s. (at least if you have been in the limit for a while) Totally gay. But that's how it is.

I'm pretty sure that two :30:s are required.

If there is only one required then I believe it must be on the left.

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PostPosted: Sun Dec 03, 2006 06:02 
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mpaton2004 wrote:
.....and a regular 30mph lolly repeater 200 yards further on.

but, with street lighting present - presumably at the requisite minimum intervals (183m?) - repeater signs are specifically prohibited in a :30:


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PostPosted: Sun Dec 03, 2006 11:37 
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cabbie wrote:
mpaton2004 wrote:
.....and a regular 30mph lolly repeater 200 yards further on.

but, with street lighting present - presumably at the requisite minimum intervals (183m?) - repeater signs are specifically prohibited in a :30:


Except for :880:

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PostPosted: Sun Dec 03, 2006 11:48 
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mpaton2004 wrote:
There is streetlighting present. Does that make a difference? My thoughts were that any tickets generated by the camera van would be invalidated by the preceding lack of twin terminal signs indicating the start of the 30mph limit, despite there being a 30mph repeater.


I do believe that there's 'an argument to be had'.

But when street lights are present and no specific speed limit order exists it becomes legally a 'restricted road', with a default 30mph speed limit.

The '84 act contains:

Quote:
  85(4) [Where no such system of street or carriageway lighting as is mentioned
in section 82(1) is provided on a road,] but a limit of speed is to be observed
on the road, a person shall not be convicted of driving a motor vehicle on the
road at a speed exceeding the limit unless the limit is indicated by means of
such traffic signs as are mentioned in subsection (1) or subsection (2) above.


...which appears to me to indicate that they can mess up the signing on a restricted road (with street lights) and still enforce the speed limit, on the basis that the statutory barrier to enforcement may not apply on restricted roads. Certainly THIS statutory barrier does not apply to restricted roads. I'm not aware of a 'restricted roads' counterpart.

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PostPosted: Sun Dec 03, 2006 18:52 
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Pictures:

1. On approach to the 30mph limit. Note the combined speed humps and speed limit sign.

Image

2. Turning a corner at a junction a few hundred yards later, next sign is this:

Image

3. Then the standard 30 roundel repeater. Note the camera sign further on. The van normally sits a few hundred yards beyond this.

Image

I made a slight mistake stating there was a street lighting system. It's only in place for roughly 1/2 a mile on approach to the sign in #3 and then shortly after where the camera van is positioned.


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PostPosted: Sun Dec 03, 2006 20:36 
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SafeSpeed wrote:
cabbie wrote:
mpaton2004 wrote:
.....and a regular 30mph lolly repeater 200 yards further on.

but, with street lighting present - presumably at the requisite minimum intervals (183m?) - repeater signs are specifically prohibited in a :30:


Except for :880:

Although that isn't a repeater sign, that's a warning of speed cameras with a reminder of the speed limit. Not that anyone really cares about the difference I'm sure. :wink:

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PostPosted: Sun Dec 03, 2006 20:36 
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Ziltro wrote:
If there is only one required then I believe it must be on the left.


right

Quote:
SafeSpeed

Except for Sign 880


advisory

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PostPosted: Sun Dec 03, 2006 20:42 
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mpaton2004 wrote:
1. On approach to the 30mph limit. Note the combined speed humps and speed limit sign.

Perfectly fine, that's not a combined sign, it's three signs on one backing board. (yeah, I know, totally different :roll:). So long as both lights turn on and off together (one on, one off = not enforceable... Except for the street lights issue.

mpaton2004 wrote:
2. Turning a corner at a junction a few hundred yards later, next sign is this:

That's an 880 and doesn't really mean much. Think of it as a camera warning sign. Whether they are there or not doesn't affect the speed limit's enforceability.

mpaton2004 wrote:
3. Then the standard 30 roundel repeater. Note the camera sign further on. The van normally sits a few hundred yards beyond this.

Presumably due to the distance of the street lights? I'm pretty sure three street lights (close enough together) are required for no :30: repeaters to be required.

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PostPosted: Sun Dec 03, 2006 20:47 
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So, in conclusion, the enforcement activity undertaken by the van at this point is legal and correct (given the evidence I have presented?)


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PostPosted: Sun Dec 03, 2006 20:55 
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camera operator wrote:
Ziltro wrote:
If there is only one required then I believe it must be on the left.


right

:lol: Are you confirming that Ziltro is correct or stating a correction? :)


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PostPosted: Sun Dec 03, 2006 21:00 
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mpaton2004 wrote:
So, in conclusion, the enforcement activity undertaken by the van at this point is legal and correct (given the evidence I have presented?)

Assuming that the parts with no repeater signs have street lamps spaced close enough, yes it is legal. Correct I can't help you with. ;)

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PostPosted: Sun Dec 03, 2006 21:03 
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Thanks. I thought I'd uncovered a folly. :P


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PostPosted: Sun Dec 03, 2006 21:36 
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I know of quite a few locations where a transition into a 30mph limit only has one sign.

I also know of a situation on the A33 Bassett Avenue, where outbound the transition into NSL is unmarked; the entry 40mph signs have no equivalent signs on the back. Naughty, although to do more than 40mph on the roundabout and the short bit of road before it becomes the M3 isn't really possible.


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PostPosted: Sun Dec 03, 2006 21:46 
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mpaton2004 wrote:
Thanks. I thought I'd uncovered a folly. :P


Hang on you may have, you can't just extend a restricted (by streetlighting) 30 into an unlit 30, just by placing 30 repeaters, there has to be a Traffic Regulaton Order for the unlit 30 zone.
may still be worth checking.

fatboytim


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