[Tagging] Footways where pedestrians may only walk in one direction: oneway:foot=yes or foot:backward=no?

[Jmapb]

On 4/16/2020 4:46 AM, Paul Allen wrote:
> On Thu, 16 Apr 2020 at 04:08, Andrew Harvey <andrew.harvey4 at gmail.com
> <mailto:andrew.harvey4 at gmail.com>> wrote:
>
>     To sidestep your question, oneway=yes on a highway=footway,
>     cycleway or path already implies it's not accessible to vehicles
>     so a oneway tag on any of those highway tags should apply to all
>     modes of transport. So highway=footway + oneway=yes shouldn't need
>     any other tags like oneway:foot.
>
>
> That works when only a single mode of transport is permitted.  It may not
> work when more than one mode of transport is permitted. Or does the
> one-way on a one-way street apply to pedestrians as well as cars?
>
> Since we may need to be able to specify oneway to individual modes
> of transport when multiple modes of transport are permitted, it makes
> sense to do so in a consistent manner even when only one mode of
> transport is permitted.
>
I've always believed that the oneway key applies to all non-pedestrian
traffic -- except on footway, path, steps, and pedestrian, where it
applies to all traffic. And of course individual modes can be overridden
with a oneway:*=* tag.

It's not entirely consistent per se, but it's pretty simple and the
preponderance of oneway=* tags on footways and oneway:foot=* tags on
other highways tells me that many mappers understand and use this
convention.

To me, foot:backward=no seems like a awkward solution to a contrived
problem.

J

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