Oh, this is fun. So, correct me if i'm wrong: a "20 mph zone" doesn't have/need repeaters because it is not actually the legal speed limit. It is advisory to travel at that speed because traffic calming makes it hard not to.
On Wed, 2 May 2018 at 11:36 Adam Snape <adam.c.sn...@gmail.com> wrote: > The school lights I'm aware of which refer to a maximum speed are advisory > rather than mandatory. The actual legal speed limit remains the same. > > Adam > > On Wed, 2 May 2018, 11:17 Brian Prangle, <bpran...@gmail.com> wrote: > >> Just to further complicate matters there can also be conditional 20 mph >> speed limits on roads passing schools, so they're default 30mph unless the >> condition is met when they're 20 mph - condition is usually flashing >> lights during school opening and closing times >> >> Regards >> >> Brian >> >> On 1 May 2018 at 20:11, Tobias Zwick <o...@westnordost.de> wrote: >> >>> Wow, this now is really helpful information! So good that you are on >>> this list, this is exactly the kind of thing I was seeking when posting >>> to here! >>> Some replies and notes: >>> >>> 1. >>> > It even more common to believe that Restricted Roads are not NSL >>> > roads. NSL Restricted Roads are a type of NSL road. >>> >>> How does it matter though? What does the keyword "NSL" imply? >>> >>> 2. Also, what about dual carriageways (nsl_dual) that are lit? Will they >>> then also default to 30 mph if there is no explicit sign that indeed one >>> can go faster than that? >>> >>> 3. So, from the document, I understand an "LSL for individual roads" >>> would be "maxspeed:type=sign" translated to OSM while "LSL for zones" >>> would be "maxspeed:type=GB:zoneXX" translated to OSM. >>> I see in "OSM speak", we drop the "LSL" for these, but do not for the >>> "NSL" stuff. General question, not directed specifically to you: Isn't >>> that inconsistent? >>> >>> 4. I see you use "UK:something". I think to use "GB:something" has >>> somewhat established itself over UK by now, looking at taginfo. (Also, >>> the ISO-3166 of United Kingdom is GB) >>> >>> 5. I see you use "UK:zone_XX" instead of "UK:zoneXX". Also looking at >>> taginfo, I think that the latter somewhat established itself over the >>> former now: About 100,000 usages of XX:zoneYY, about 34,000 usages of >>> XX:zone:YY and about 0 usages of XX:zone_YY >>> >>> --- >>> >>> By the way, offtopic this: >>> Do not assume though that the UK is the only country with unnecesary >>> complex maxspeed legislation. Look at this flow-chart created by Minh >>> Nguyễn after researching this for Ohio, US: :-D >>> >>> https://wiki.openstreetmap.org/wiki/Ohio/Map_features#Speed_limits >>> >>> Cheers >>> Tobias >>> >>> On 01/05/2018 20:19, Jason Cunningham wrote: >>> > I had a bit of an interest in tagging speed limits a few years back. >>> > It's way more complicated than it should be in the UK. Researching led >>> > me down a bit of a rabbit hole of legislation & case law. >>> > >>> > I made the following personal notes about UK limits and how to >>> recognise >>> > them, which I think is mostly correct. >>> > https://wiki.openstreetmap.org/wiki/User:Jamicu/UK_Speed_Limits >>> > >>> > I personally tagged restricted roads as >>> maxspeed:type=UK:nsl_restricted >>> > >>> > All a bit of a mess though. >>> > >>> > Jason >>> > >>> > >>> > _______________________________________________ >>> > Talk-GB mailing list >>> > Talk-GB@openstreetmap.org >>> > https://lists.openstreetmap.org/listinfo/talk-gb >>> > >>> >>> >>> _______________________________________________ >>> Talk-GB mailing list >>> Talk-GB@openstreetmap.org >>> https://lists.openstreetmap.org/listinfo/talk-gb >>> >> >> _______________________________________________ >> Talk-GB mailing list >> Talk-GB@openstreetmap.org >> https://lists.openstreetmap.org/listinfo/talk-gb >> > _______________________________________________ > Talk-GB mailing list > Talk-GB@openstreetmap.org > https://lists.openstreetmap.org/listinfo/talk-gb >
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