The Great C Road hunt!

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c2R
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Re: The Great C Road hunt!

Post by c2R »

Euan wrote: Wed Jul 01, 2020 14:22
c2R wrote: Wed Jul 01, 2020 09:24
Euan wrote: Wed Jul 01, 2020 09:14

I’ve yet to complete the traces for the remaining routes. Up until now I have been working with batches of about six routes at a time tracing them out and then writing the articles. At the moment I am on C627 and the highest number is C711, although within this there is a gap between the Tyrone component of the sequence and “additional” routes at the very end of the sequence with numbers over 700.

I’m perfectly happy for you to generate the remaining stub pages. If I need to have the routes traced out first then I can just work on that for now and revisit the thread once I am finished.
I don't need the traces first - as FB had already done them meant that I didn't need to get the list from anywhere else.

If you paste the list of numbers you want generating here, then I'll use that and create you a bundle of stubs. It just saves a little bit of time :)

Edit - I take it its just the red ones from the infobox:
C628 • C629 • C630 • C631 • C632 • C633 • C634 • C635 • C636 • C637 • C638 • C639 • C640 • C641 • C642 • C643 • C644 • C645 • C646 • C647 • C648 • C649 • C650 • C651 • C652 • C653 • C654 • C655 • C656 • C657 • C658 • C659 • C660 • C661 • C662 • C663 • C664 • C665 • C666 • C667 • C668 • C669 • C670 • C671 • C672 • C673 • C674 • C675 • C676 • C677 • C678 • C679 • C680 • C681 • C682 • C683 • C684 • C685 • C686 • C687 • C688 • C689 • C690 • C691 • C692 • C693 • C694 • C695 • C696 • C697 • C698 • C699 • C700 • C701 • C702 • C703 • C704 • C705 • C706 • C707 • C708 • C709 • C710 • C711
All of those numbers except C641, C685-C700, C705 and C707 need to be generated. Based on the route list these numbers do not appear to be in use in Northern Ireland.
OK, I'll fire up my Windows VM later and do it. I'll put them all as being in County Tyrone - you'll need to manually adjust any that may cross the boundaries.
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c2R
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Re: The Great C Road hunt!

Post by c2R »

c2R wrote: Wed Jul 01, 2020 14:34
Euan wrote: Wed Jul 01, 2020 14:22
c2R wrote: Wed Jul 01, 2020 09:24

I don't need the traces first - as FB had already done them meant that I didn't need to get the list from anywhere else.

If you paste the list of numbers you want generating here, then I'll use that and create you a bundle of stubs. It just saves a little bit of time :)

Edit - I take it its just the red ones from the infobox:
C628 • C629 • C630 • C631 • C632 • C633 • C634 • C635 • C636 • C637 • C638 • C639 • C640 • C641 • C642 • C643 • C644 • C645 • C646 • C647 • C648 • C649 • C650 • C651 • C652 • C653 • C654 • C655 • C656 • C657 • C658 • C659 • C660 • C661 • C662 • C663 • C664 • C665 • C666 • C667 • C668 • C669 • C670 • C671 • C672 • C673 • C674 • C675 • C676 • C677 • C678 • C679 • C680 • C681 • C682 • C683 • C684 • C685 • C686 • C687 • C688 • C689 • C690 • C691 • C692 • C693 • C694 • C695 • C696 • C697 • C698 • C699 • C700 • C701 • C702 • C703 • C704 • C705 • C706 • C707 • C708 • C709 • C710 • C711
All of those numbers except C641, C685-C700, C705 and C707 need to be generated. Based on the route list these numbers do not appear to be in use in Northern Ireland.
OK, I'll fire up my Windows VM later and do it. I'll put them all as being in County Tyrone - you'll need to manually adjust any that may cross the boundaries.
Done. They're created along with their categories, disambiguation pages, their disambiguation pages' categories, and their galleries. Over to you!
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Kalna
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Re: The Great C Road hunt!

Post by Kalna »

Not sure if it's been mentioned yet but there is a sign for the C2030 on the TOTSO between Buttermere and Cockermouth. Location: https://www.google.co.uk/maps/place/54. ... 087047,18z
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Euan
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Re: The Great C Road hunt!

Post by Euan »

I have now finished adding the Northern Ireland C roads to the wiki (phew!) as County Tyrone's class III network has now been covered. The C601-C700 range appears to have been the original allocation of numbers for the county with C684 the highest number currently in use while C685-C700 remain unused.

As ever, the numbering appears to follow a geographical sequence around the county looking something like this:
Image
The distribution of the numbers can therefore be broken down into rough groups as follows:
:arrow: C601 - C615 - Strabane/Western Sperrins/Strule
:arrow: C616 - C634 - Cookstown/N+E Omagh/Carrickmore
:arrow: C635 - C646 - Dungannon/Coalisland/Moy
:arrow: C647 - C656 - Monaghan borderlands/Clogher
:arrow: C657 - C668 - Fintona/Dromore/S+W Omagh
:arrow: C669 - C680 - Castlederg/Sion Mills/Newtownstewart
:arrow: C681 - C684 - misc
The only numbers out of these which do not seem to be currently in use are C618 and C641. C618 is defunct while C641 has never been used.

I have previously noted that many of the NI C routes are not that simple and can quite often consist of multiple different roads and this seems to be especially prevalent here. I am wondering whether this might be partly down to the vastness of the county with a lack of sizeable settlements anywhere in between the main towns, where number usage may try to reflect population distribution a bit more than you would usually expect them to. However this is just a thought - there could be other reasons as well.

The C685-C700 numbering gap is the sixth and final significant gap in the NI class III sequence and there are additionally a small number of C7xx numbers distributed across NI which are not part of the county number blocks. Numbers C701-C704 and C706-C711 are currently in use. As previously suspected, C701-C704 are urban routes within Belfast and C706-C711 are a mix of Fermanagh routes and short urban links.

I definitely have found the C road numbering in Northern Ireland very fascinating given that it does follow a relatively noticeable sequence in comparison to the A road and B road network. It's worth saying that local C road numbering systems can quite often not look tidy or logical and if a pattern does exist it can be a bit tricky to spot, so the NI county systems do rank highly in that respect. Rather bizarrely, it could be argued that in Northern Ireland C road numbers have more uniqueness than A and B road numbers given the double use of the A37, B52 and B53 numbers while I have found no such duplicate C road numbers.

A great C road hunt indeed.
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c2R
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Re: The Great C Road hunt!

Post by c2R »

Euan wrote: Thu Dec 31, 2020 08:45 I have now finished adding the Northern Ireland C roads to the wiki (phew!)
Well done; I can see the hours that you've put into completing this, and thanks for all the additional detail and analysis you've done on the route as well. It's certainly an achievement.

I'm aware I still need to look at the hard limit of 500 on the road list on the main page.
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Euan
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Re: The Great C Road hunt!

Post by Euan »

c2R wrote: Thu Dec 31, 2020 09:25
Euan wrote: Thu Dec 31, 2020 08:45 I have now finished adding the Northern Ireland C roads to the wiki (phew!)
Well done; I can see the hours that you've put into completing this, and thanks for all the additional detail and analysis you've done on the route as well. It's certainly an achievement.

I'm aware I still need to look at the hard limit of 500 on the road list on the main page.
Thank you. Yes, I noticed that the list on the main page only goes as far as C663 which would be the 500th road on it. Hopefully that can be sorted without too much difficulty.

Do you think it might be a good idea if the navbox was split into number ranges given that it is very large or do you think that it would be easier to find the roads if the navbox just stays as it is? I know this was discussed quite a while back. I'm aware that some counties also have large class III navboxes such as Cambridgeshire and Kent, but maybe the fact that the class III numbering is NI-wide might justify splitting the navbox?
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c2R
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Re: The Great C Road hunt!

Post by c2R »

Euan wrote: Thu Dec 31, 2020 19:54
c2R wrote: Thu Dec 31, 2020 09:25
Euan wrote: Thu Dec 31, 2020 08:45 I have now finished adding the Northern Ireland C roads to the wiki (phew!)
Well done; I can see the hours that you've put into completing this, and thanks for all the additional detail and analysis you've done on the route as well. It's certainly an achievement.

I'm aware I still need to look at the hard limit of 500 on the road list on the main page.
Thank you. Yes, I noticed that the list on the main page only goes as far as C663 which would be the 500th road on it. Hopefully that can be sorted without too much difficulty.

Do you think it might be a good idea if the navbox was split into number ranges given that it is very large or do you think that it would be easier to find the roads if the navbox just stays as it is? I know this was discussed quite a while back. I'm aware that some counties also have large class III navboxes such as Cambridgeshire and Kent, but maybe the fact that the class III numbering is NI-wide might justify splitting the navbox?
I've had a play with the main page and ended up splitting the road list by County to get around the 500 limit - it's a bit of a fudge, but if I try to increase the limit, even by 1, dpl throws an error. I've also moved the map onto a subpage, as the combination of the map and the road lists was hitting the server quite hard - separating the dynamic map also allows it to be made nice and big.

The navboxes are quite large - it might be worth introducing some paging onto them to make it nicer on mobile browsers, perhaps - I'll have a think about the simplest way to automate that.
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GC_A690
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Re: The Great C Road hunt!

Post by GC_A690 »

Been a long time for me with this thread, and with C roads in general, but are people aware of this map? https://www.findmystreet.co.uk/map It uses NSG data to provide a free-to-use, interactive map of every road and street which allows you to see not only the USRN number of a section, and its name, but also its classification where that's been provided by the local authority.

Although it doesn't give information on numbering except where this is included in the street name, it's still a useful resource particularly where information from other sources seems patchy or ambiguous. For example it solves the Central Bedfordshire ambiguity listed at Wiki:Great C Road Hunt - the road from Everton to the Cambridgeshire border is a C-road and the road from Potton is not.

Just thought it was an interesting thing to draw people's attention to, as I don't remember having seen it mentioned.

From the SABRE Wiki: Wiki :
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solocle
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Re: The Great C Road hunt!

Post by solocle »

I thought there was a more specific thread, but another in C roads on signs!
Capture3.png
C13 (Dorset)

From the SABRE Wiki: C13 (Dorset) :

The C13 is a class III road in Dorset that runs rather nicely from the B3081 to the B3082. At the Shaftesbury end, the B3081 has a junction with a short dual carriageway stretch of the A30. After 1 mile, the B3081 TOTSOs, and the C13 is born, carrying straight on. The road runs parallel with the A350 for most of its length - traffic counts in 2008 in fact showed that the C13 carries 60% more traffic than the parallel A road! And with good reason. While the A350

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Mapper89062
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Re: The Great C Road hunt!

Post by Mapper89062 »

I don't know if this is any use or not, but Suffolk County Council has this spreadsheet that details all roads they maintain in Suffolk, which includes details of C-roads:

https://www.suffolk.gov.uk/assets/Roads ... reets.xlsx

Unfortunately it's been designed so that roads get listed by name, with the numbers broken up where they span multiple road names, but it seems to be updated every month and is probably the most consistent source we can use from them.
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