[Talk-GB] Implicit speed limits: What to tag in built-up areas?

[Brian Prangle]

You can't make that assumption of an implicit 30mph limit. Major roads in
in built up areas can be 40 mph and increasingly speed limits are being
reduced to 20mph in built up areas

Regards

Brian

On 30 April 2018 at 18:41, Tobias Zwick <osm at westnordost.de> wrote:

> Hi there
>
> On tagging implicit speed limits in the United Kingdom, the wiki lists
> the following values [1] for "maxspeed:type":
>
> GB:nsl_single (=60 mph), GB:nsl_dual (=70 mph) and GB:motorway (=70 mph)
>
> I understand that the current legislation defines a road with
> road-lighting as a built-up area in which a lower implicit speed limit
> of 30 mph applies. There is no mention of it in the wiki, no GB:urban,
> GB:lit, GB:zone30 or anything like that, so something should be defined
> and documented by (you,) the British OSM community.
>
> My question:
> How to tag roads in which such an implicit speed limit for built-up
> areas applies?
>
> The question is motivated by an issue report for StreetComplete [2]
>
> Cheers
> Tobias
>
> [1]
> https://wiki.openstreetmap.org/wiki/Speed_limits#Country_
> code.2Fcategory_conversion_table
>
> [2] https://github.com/westnordost/StreetComplete/issues/1037
>
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