[Tagging] roundtrip

Johnparis okosm at johnfreed.com
Fri May 25 09:10:34 UTC 2018


Interesting.

Similarly, a route that is not closed can be a roundtrip. The start and end
points might be several meters apart, even on different roads, yet serve
the same destination. There are a few (very few) examples I have found in
the Paris area. Here's one. It's not marked roundtrip=yes but probably
should be:

https://www.openstreetmap.org/relation/8140184

I agree that this tag seems to be of very limited usefulness, though I
confess to having used it on occasion.


On Fri, May 25, 2018 at 10:55 AM, Warin <61sundowner at gmail.com> wrote:

> On 25/05/18 15:48, Peter Elderson wrote:
>
> What is the use of the key:roundtrip?
> Explanations just say
> roundtrip <https://wiki.openstreetmap.org/wiki/Key:roundtrip>=yes/no (optional)
> Use roundtrip=no to indicate that a route goes from A to B. Use
> roundtrip=yes to indicate that the start and finish of the route are at the
> same location (circular route). It seems rather pointless to tag an
> obvious a-b route with roundtrip=no, or an abvious roundtrip with
> roundtrip=yes.
> Why would you tag an a-b route as roundtrip=yes, or a closed route as
> roundtrip=no?
>
>
> A route that is 'closed' can be a non round trip.
> For example the bus only does one circuit then goes on to another route
> elsewhere. This can be done to provide services to both that route and to
> other parts of the community with other routes.
> There may not be enough demand for a continuous circuit to be viable.
>
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>
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