Regarding the 20mph zones (see https://en.wikipedia.org/wiki/30_km/h_zone), analogous to other countries where they exist, they would be tagged as maxspeed:type=GB:zone20.
On 30/04/2018 20:57, Philip Barnes wrote: > Whilst in theory there is an implicit 30mph when street lights are > present and there are no repeater signs indicating a higher limit then > the speed limit is 30 mph. It has nothing to do with urban, the same > rule will apply on lit rural roads. These days it is complicated by > 20mph limits which also have no repeaters. > > That is the theory, however in over 40 years of driving and even longer > cycling I have never come across an unsigned 30mph limit. It is always > signed as you enter the zone. Whilst it's useful for confirmation whilst > driving, it is not really useful for mapping, you need to survey the > start points so that it can be split at the appropriate points. > > Phil (trigpoint) > > > On 30 April 2018 18:41:26 BST, Tobias Zwick <[email protected]> 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 > > ------------------------------------------------------------------------ > > Talk-GB mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/talk-gb > > > -- > Sent from my Android device with K-9 Mail. Please excuse my brevity. _______________________________________________ Talk-GB mailing list [email protected] https://lists.openstreetmap.org/listinfo/talk-gb

