Also, I don't think we need a special tagging scheme just because each individual road is not signed. We don't do so for analogous restrictions such weight, width or access restrictions which are generally only signed when entering or leaving the zone where the restriction applies.
Adam On 30 April 2018 at 20:31, Adam Snape <[email protected]> wrote: > I'm not sure I'd call any of the national speed limits implicit. All are > explicit in that they are (or should be) physically signed at least where > the limit changes, so they are verifiable rather than merely implied. The > only practical difference is whether small repeater signs are required to > remind drivers of the speed limit and (as Phil says) in these days zonal > 20mph limits can sometimes be implemented without repeater signs. > > Adam > > On 30 April 2018 at 20:05, Philip Barnes <[email protected]> wrote: > >> 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 <[email protected]> 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 <[email protected] >>>> <mailto:[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 >>>> >>>> <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> >>>> >>>> ------------------------------ >>>> >>>> Talk-GB mailing list >>>> [email protected] <mailto:[email protected]> >>>> https://lists.openstreetmap.org/listinfo/talk-gb >>>> <https://lists.openstreetmap.org/listinfo/talk-gb> >>>> >>>> >>>> >>> >>> ------------------------------ >>> >>> 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 >> >> >
_______________________________________________ Talk-GB mailing list [email protected] https://lists.openstreetmap.org/listinfo/talk-gb
