[Tagging] roundtrip

Peter Elderson pelderson at gmail.com
Fri May 25 09:37:14 UTC 2018

Thanks for the example.
Looks to me the bus will have to drive through the tunnel for its next
round. This route just needs to be completed! Now it's a oneway route. The
route_master only contains one relation in one direction.

2018-05-25 11:10 GMT+02:00 Johnparis <okosm at johnfreed.com>:

> 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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Vr gr Peter Elderson
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