On 15/12/2020 13:26, Simon Still wrote:
> See discussion on
> https://www.openstreetmap.org/changeset/95752985#map=18/51.46201/-0.12146&layers=C
> <https://www.openstreetmap.org/changeset/95752985#map=18/51.46201/-0.12146&layers=C>
>
> There appear to be a large number of sections of road in some areas of
> London tagged as ‘cycle route’ that are no more than the occasional 1057
> cycle symbol painted on the road.
>
> They are not signed, and do not have any route numbering.
Some of the LCN/LCN+ routes are signed with blue directional signs, but
often without route numbers.
You would need recent street level imagery or a survey to determine
whether a route really has degraded to only fading TSRGD diagram 1057
signs ("Cycle lane, track or route"). If 1057 is used on a carriageway
rather than on a lane or track, it presumably indicates a route,
although TSRGD 2016 does not elaborate upon this - is there an LTN which
does?
I am not very familiar with the area discussed in the changeset above,
but routes I have used in LB Hackney this summer certainly were.
>
> Based on the discussion it appears
> - most were added by user MacLondon
> - they were the ‘lowest level’ of route designation by some councils at
> some time in the past. Pick some ‘useful routes’ on ‘quiet roads’ and
> just paint some symbols on them for people to follow
>
> Some of these appear on the last 2015 TfL cycle maps in yellow (routes
> were blue) keyed as ‘other roads recommended by cyclists’
>
> My opinion is
> - these are not followable on the ground
> - they do not meet TfL or borough quality criteria (and thus do not
> appear on any more recent maps) eg - they are not shown in any way on
> Lambeth councils 2017 cycle
> map
> https://www.lambeth.gov.uk/parking-transport-and-streets/cycling/lambeth-cycle-routes-map
> <https://www.lambeth.gov.uk/parking-transport-and-streets/cycling/lambeth-cycle-routes-map>
I wouldn't trust most borough councils here, as the older LCN/LCN+
routes are likely to be the responsibility of TfL/GLA.
> - they decrease legibility of the map because they create a mass of
> dense blue lines from which it’s hard to pick out genuinely useful routes.
> - they probably have a negative impact on routing engines as they are
> likely treated equally to actual signposted routes.
> - in many cases where they do show the most direct route through
> backstreets that is likely to be the busiest with rat running traffic as
> it’s where google and Waze will send drivers.
Unless there's a new modal filter as part of a Low Traffic
Neighbourhood, obviously.
>
> Thoughts?
>
>
>
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