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

[Philip Barnes]

For practical purposes the only non-implicitly signed speed limits are national speed limits, (start indicated by black diagonal on white) and motorways indicated by the international chop sticks sign.

Phil (trigpoint) 

On 30 April 2018 19:54:37 BST, Tobias Zwick <osm at westnordost.de> wrote:
>I apologize for the misunderstanding, this is about implicit speed
>limits when there is *no sign* that ordains another speed limit, of
>course.
>
>Cheers
>Tobias
>
>On 30/04/2018 20:50, Brian Prangle wrote:
>> 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
>> <mailto: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
>>    
><https://wiki.openstreetmap.org/wiki/Speed_limits#Country_code.2Fcategory_conversion_table>
>> 
>>     [2] https://github.com/westnordost/StreetComplete/issues/1037
>>     <https://github.com/westnordost/StreetComplete/issues/1037>
>> 
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>> 
>
>
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