[Talk-GB] Updated GB cycle lanes map

Richard Mann richard.mann.westoxford at gmail.com
Tue Oct 2 12:49:40 BST 2012


RCNs are deliberately not shown, since they are generally leisure routes
(and being phased out in favour of NCN tagging).

Richard

On Tue, Oct 2, 2012 at 12:24 PM, Peter Childs <pchilds at bcs.org> wrote:

>
>
> On 2 October 2012 09:55, Richard Mann <richard.mann.westoxford at gmail.com>wrote:
>
>> I've updated my map of GB cycle lanes (and quiet cycle routes). Rendered
>> using Geofabrik/Osmosis/Maperitive. Now with OdbL data...
>>
>> http://www.transportparadise.co.uk/DualCycleNetworkMap/
>>
>> It looks to me like there's quite a lot of cycle lanes missing. A lot of
>> cycle lane data is available from DfT for review and copying across, but
>> doesn't appear to have made it's way into OSM yet:
>> http://wiki.openstreetmap.org/wiki/England_Cycling_Data_project (and yes
>> this is a bit complicated, but it's quite easy once you get going)
>>
>> A major part of the update to the cycle lane map has been identifying
>> urban main roads based on the presence of residential side roads. This was
>> done using a python algorithm in Maperitive. The results look pretty
>> accurate (not many false positives). In good share-alike style, I can do
>> three things with the output:
>> 1) put the output back in the database, by using existing keys (eg
>> maxspeed=30 mph + maxspeed:source=inferred from presence of residential
>> side streets)
>> 2) put the output back in the database, using new keys (eg
>> maxspeed:inferred=30 mph + maxspeed:inferred:source = presence of
>> residential side streets)
>> 3) publish the algorithm
>>
>> It doesn't make much difference to me, but clearly people might find the
>> data useful. So I'm open to views/suggestions.
>>
>> Richard
>>
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>>
>>
>
> Looking at it RSN18 (Medway) is missing on
> http://www.transportparadise.co.uk/DualCycleNetworkMap/ however its on
> OSM and viewable via Cycle Map on the main osm site....
>
> Peter.
>
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>
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