Off-carriageway tracks tend to be bidirectional (they all are in the UK). So no-one would bother to use bidirectional_track.
Richard On Fri, May 18, 2012 at 1:56 PM, <rob.j.nicker...@gmail.com> wrote: > Arg, thats still not right is it? Firstly it leaves 2 values for > cycleway:left and also the opposite_track is not quite right because if it > had been on the right hand side of the way (but the way was still > orientated in the same direction) you would have to use > cycleway:right=opposite_track to imply that the cycle track flows in the > same direction of the traffic closest to it (i.e. the traffic on the right > that is going in the opposite direction of how the way is drawn). > > Maybe it should be "The track may be cycled in the opposite direction of > other traffic using the same side (i.e. right / left) of the road" > > Finally the talk page has a good suggestion to use > cylceway:left=bidirectional_track but this has no uses according to tag > info. > > Rob > > > > On , rob.j.nicker...@gmail.com wrote: > > Oh, I think I get it now. So for example if you had a cycle route that > runs parallel to a road (but not within the road carriageway), is on the > left side and allows cycling in both directions it would be tagged as: > > > > * highway=* > > * cycleway:left=track > > * cycleway:left=opposite_track > > > > If this is correct that the wiki could do with the definition changing > so that opposite_track reads "The track may be cycled in the opposite > direction to the way", with an explanation of how a way is essentially an > arrow. > > > > Regards, > > Rob > > > > p.s. Sorry for the large number of emails on this. Am trying to get > things clear in my mind! > > > > > > > > On , rob.j.nicker...@gmail.com wrote: > > > Are there any cases of that? > > > > > > Wouldn't you assume that the cycle lane is on the same side as the > flow of traffic (so forward would imply left in GB)? Surely the same > argument can be made that cycleway:left tells you which side of the road it > is on but doesn't tell you the direction of flow. > > > > > > Rob > > > > > > > > > > > > On , Ed Loach e...@loach.me.uk> wrote: > > > > Imagine a two way road with a cycleway on one side. Neither forward > or backward tell you to which side of a way the cycleway is – this would > only tell you if it were in the same direction as the way, rather than on > one side of it. So forward, backward, left, right all have their places. Ed > > > > > > > > > > _______________________________________________ > talk mailing list > talk@openstreetmap.org > http://lists.openstreetmap.org/listinfo/talk > >
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