The 4th option is to use turn restrictions on the crossing where the 'virtual' sign is placed.
Jo 2014-02-02 André Pirard <a.pirard.pa...@gmail.com>: > On 2014-02-01 10:05, Pee Wee wrote : > > On the Dutch > forum<http://forum.openstreetmap.org/viewtopic.php?pid=394396#p394396>there > is some discussion on how to tag a common situation. > It is about a street that has no traffic sign on one end (side A) and a C6 > sign<http://commons.wikimedia.org/wiki/File:Nederlands_verkeersbord_C6.svg>on > the other end (side B) . Ofcoarse it is not allowed to enter this > street by car from side B. If you enter the street by car from side A you > are allowed to drive all the way. But you are even allowed to drive to > (lets say) half way and then return. In other words... this is not a oneway > street for motorcars. This makes the traffic sign a more or less imaginary > oneway barrier. > > Let's for simplicity's sake asume the implication of the sign is > "motorcar=no", how should this be tagged? > > > In Belgium, sign C3 and similar means "no entry in both > directions"<http://wiki.openstreetmap.org/wiki/Road_signs_in_Belgium#C3> > . > > [image: C3] > > Sign C1 means > one-way<http://wiki.openstreetmap.org/wiki/Road_signs_in_Belgium#C1> > . > > [image: C1] > > The difference is that the driver facing C1 is told that he can drive > "round the block" to enter the street while that there is no hope to do so > in case of C3. This sounds very sound. > > I think it's a European rule and so, that, from a European perspective, > it's a Road Administration error to place a C3 signal at only one end and > hence that OSM shouldn't try to map signaling errors. > > From a pure logical point of view "This signs tell you that you cannot > enter this street, but that you may go round the block and that, if you're > lucky enough, you may find no sign there. In that case, you may come back > here through the other end and U-turn right behind this sign just as if it > did not exist. Good luck." sounds kinda funny. But maybe only to me. > > On 2014-02-01 17:39, Colin Smale wrote : > > On 2014-02-01 17:30, Masi Master wrote: > > Normally traffic signs belongs to the road to the next intersection/crossing. > > That depends on the country - different jurisdictions have different > conventions. In the UK the sign's effect is often "until further notice", > i.e. until there is another sign telling you differently. It doesn't > automatically get nullified at the first side road like it does in many > countries. > > Strange to me again because the reason why the signs *have to* be > repeated is that drivers entering the road at that "next crossing" wouldn't > know them otherwise. How do the UK drivers know? > Cheers, > > André. > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging > >
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