[Tagging] oneway=yes on motorways

[Shawn K. Quinn]

On 5/24/20 15:26, Volker Schmidt wrote:
> I just noticed an apparent contradiction regarding the use of the oneway
> tag between the wiki pages key:oneway
> <https://wiki.openstreetmap.org/wiki/Key:oneway> and motorway
> <https://wiki.openstreetmap.org/wiki/Tag:highway%3Dmotorway> .
> The former states:
> "Some tags (such as junction
> <https://wiki.openstreetmap.org/wiki/Key:junction>=roundabout
> <https://wiki.openstreetmap.org/wiki/Tag:junction%3Droundabout>, highway
> <https://wiki.openstreetmap.org/wiki/Key:highway>=motorway
> <https://wiki.openstreetmap.org/wiki/Tag:highway%3Dmotorway> and others)
> imply oneway=yes and therefore the oneway tag is optional,
> the latter states:
> "These ways should all point direction of travel and be tagged with
> oneway <https://wiki.openstreetmap.org/wiki/Key:oneway>=yes"
> <https://wiki.openstreetmap.org/wiki/Tag:oneway%3Dyes>
> 
> What is the agreed standard, if any?

It can't hurt to specify oneway=yes. I have noticed that the JOSM style
that shows lane counts and lane use will sometimes not show ways
properly if oneway=yes isn't there, but that's probably a bug in the
style more than an indictment of implying oneway=yes.

-- 
Shawn K. Quinn <skquinn at rushpost.com>
http://www.rantroulette.com
http://www.skqrecordquest.com