[Tagging] Use of oneway=yes on waterways
davefoxfac63 at btinternet.com
Sat Sep 17 14:36:00 UTC 2016
Clarification: I'm meant a route relation for the whole canal, not just
to define travel direction.
On 17/09/2016 13:45, Colin Smale wrote:
> I would expect that the situation where the flow direction conflicts
> with the traffic direction is likely to be quite short - under
> bridges, around obstacles etc. In these cases we could always call on
> our old friend "oneway=-1" or "oneway=reverse" to mean "traffic
> direction is opposite to the flow direction". Having to create a route
> relation is a bit of a sledgehammer to crack a nut.
> On 2016-09-17 14:35, Dave F wrote:
>> I've seen it used on navigable canals to indicate traffic direction.
>> If there is a route relation I think it should be indicate with
>> forward/backward roles.
>> If not then for clarity, maybe something like traffic_flow=backwards?
>> Adding a route relation would be preferable though.
>> Dave F.
>> On 17/09/2016 13:20, Andy Townsend wrote:
>>> I've certainly used "oneway=yes" on inland waterways to document
>>> signed traffic flow control, so a blanket removal would make no sense.
>>> There may be places where a previous mapper has tried to use it in
>>> error to indicate water flow direction, but you'd need to ask
>>> whoever the previous mapper was in each case (or use a bit of common
>>> *From: *LeTopographeFou
>>> *Sent: *Saturday, 17 September 2016 13:17
>>> *To: *tagging at openstreetmap.org
>>> *Reply To: *Tag discussion, strategy and related tools
>>> *Subject: *[Tagging] Use of oneway=yes on waterways
>>> According to the waterway=stream wiki page
>>>> /If a flow exists, the direction of the way must be downstream
>>>> (i.e. the way direction follows the flow)/
>>> As of today there is a very small percentage of streams (17593 ways
>>> according to taginfo, 0.23%) with oneway=yes.
>>> Is there any undocumented purpose? Is it ok and safe to delete
>>> oneway=yes tags for streams?
>>> The same question can apply to drains, ditches, canals...
>>> Tagging mailing list
>>> Tagging at openstreetmap.org
>> Tagging mailing list
>> Tagging at openstreetmap.org <mailto:Tagging at openstreetmap.org>
> Tagging mailing list
> Tagging at openstreetmap.org
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Tagging