[talk-au] Adding lane tags to major roads

Martijn van Exel m at rtijn.org
Sat Dec 8 17:53:20 UTC 2018


Andrew  H-- correct and I wasn't suggesting that you amend it yourself
:) I will make the update when I find a moment.Andrew H/D -- thanks for pointing me to the import plan. 
--
  Martijn van Exel
  m at rtijn.org



On Fri, Dec 7, 2018, at 17:29, Andrew Harvey wrote:
> On Sat., 8 Dec. 2018, 10:38 am Martijn van Exel <m at rtijn.org wrote:
>> That is a good point. The query would probably be easy enough to
>> modify.>> Something like this...
>> 
>> [timeout:190];
>> area[name=“New South Wales"]->.a;
>> way[highway~"motorway|trunk|primary"][!lanes][!"lanes:forward"][!"la-
>> nes:backward"](area.a);>> out body geom qt;
> 
> Yeah but I don't think I can modify your maproulette challenge, are
> you able to?>> 
>> I think it needs to be pre-processed a bit more to weed out the very
>> short segments. And perhaps work on areas where lanes actually matter
>> (urban) first.>> 
>> I was looking at how to slice that and got interested in the status
>> of administrative boundary relations for Australia. It seems to be
>> inconsistent, for example in South Australia there is pretty good
>> (but not complete) coverage of admin_level=6
>> http://overpass-turbo.eu/s/EmZ and even one admin_level=8
>> (http://overpass-turbo.eu/s/En0) but in other states the
>> admin_level=6 coverage is pretty sparse or absent
>> (https://imgur.com/a/gmUJs2r, query at http://overpass-turbo.eu/s/En1
>> but watch out, it’s a lot of data). If you all think this is useful
>> to fix / complete perhaps we can set up a page to coordinate. I’m
>> happy to help.> 
> There's another thread ongoing on this list about importing suburb,
> localities and LGA boundaries.>> 
>> -- 
>>   Martijn van Exel
>>   m at rtijn.org
>> 
>> On Thu, Dec 6, 2018, at 17:23, Andrew Harvey wrote:
>>> Overall I think it's a great idea.
>>> 
>>> Could you filter out ways that have lanes:forward and
>>> lanes:backward?>>> eg. https://maproulette.org/mr3/challenge/3375/task/6686753 which
>>> shouldn't need a redundant lanes tag as you can just add them up.
>>> On Fri, 7 Dec 2018 at 10:49, Martijn van Exel <m at rtijn.org> wrote:
>>>> 
>>>> Hi folks.
>>>> I created MapRoulette challenge asking mappers to look at aerial
>>>> images and add lane tags to major roads.>>>> https://maproulette.org/mr3/browse/challenges/3375
>>>> This particular one is for NSW but can easily be ‘cloned’ for other
>>>> regions.>>>> I wanted to get your opinion on this — good / bad idea? Can it be
>>>> improved? Smaller regions? Any feedback welcome.>>>> Martijn
>>>> 
>>>> PS the Overpass Query this is based on is:
>>>> 
>>>> [timeout:190];
>>>> area[name="New South Wales"]->.a;
>>>> way[highway~"motorway|trunk|primary"][!lanes](area.a);
>>>> out body geom qt;
>>>> _______________________________________________
>>>> Talk-au mailing list
>>>> Talk-au at openstreetmap.org
>>>> https://lists.openstreetmap.org/listinfo/talk-au

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