[Talk-GB] TfL Cycle Infrastructure Database (CID) conflation

[Steven Hirschorn]

Out of curiosity, Ken, were the affected roads realigned in the days before
the TfL changes were applied?

On Thu, 19 Jan 2023, 10:41 Ken Kilfedder, <spiregrain_osm at ksglp.org.uk>
wrote:

> Have a look at the alignment of :
> * https://www.openstreetmap.org/node/10282554742
> * https://www.openstreetmap.org/node/10282561555
> * https://www.openstreetmap.org/node/10282561767
> * https://www.openstreetmap.org/node/10282561651 (on Henniker Gardns,
> which has previously been mentioned)
> * https://www.openstreetmap.org/node/10282506906
>
> I've found these by eyeballing the area on osm.org, and looking for
> crooked roads.   In every case there is a ref:GB:tflcid node in each
> incorrect bend.
>
> I have not carried out any checks in other areas, or carried out any
> sophisticated searches looking for new ref:GB:tflcid nodes that coincide
> with bends.   So the above list is probably non-exhaustive.
>
> ---
> https://hdyc.neis-one.org/?spiregrain
> spiregrain_osm at ksglp.org.uk
>
> On Thu, 19 Jan 2023, at 10:16 AM, Aidan Mcinerney wrote:
> > Hi Ken
> >
> > apologies - we've endeavored to tidy up all the instances we could see.
> > could you please give a couple of examples?
> >
> > Many thanks,
> > Aidan
> >
> >
> >
> > From: Ken Kilfedder <spiregrain_osm at ksglp.org.uk>
> > Sent: Thursday, January 19, 2023 9:57 AM
> > To: Whittaker, Ed <ed.whittaker at sweco.co.uk>; Dave F via Talk-GB
> > <talk-gb at openstreetmap.org>
> > Subject: Re: [Talk-GB] TfL Cycle Infrastructure Database (CID)
> > conflation
> >
> > [You don't often get email from spiregrain_osm at ksglp.org.uk. Learn why
> > this is important at https://aka.ms/LearnAboutSenderIdentification ]
> >
> > Any update on this?   I can see some of the wobbly roads have been
> > fixed - though not all.
> >
> > Have you done all you can?  E.g. does it now fall to local mappers to
> > find and fix the problems?   Or does Sweco still plan to do it?
> >
> > ---
> >
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> > spiregrain_osm at ksglp.org.uk
> >
> > On Fri, 6 Jan 2023, at 3:03 PM, Whittaker, Ed via Talk-GB wrote:
> >> Hi Ken,
> >>
> >> I agree, it does not look very good at present... I'll need to chat
> >> with the person who did that area when they are back Monday next week
> >> though it initially appears that they had not updated their locally
> >> cached OSM data in JOSM whilst nearby roads had been re-aligned and
> >> speed bumps added in the preceding week (some internal process issues
> >> for us to pick up on there). I've picked some random sample changesets
> >> and so far it appears an issue restricted to this area. I think the
> >> easiest way is for us to identify the area and systematically work
> >> around it, removing any conflated CID speed bumps where existing bumps
> >> already exist and moving any remaining CID bumps in line with the
> >> update centreline.
> >>
> >> Kind regards
> >>
> >> Ed Whittaker
> >> Principal Transport Planner
> >> Sweco
> >>
> >>
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