2012/8/29 Ben Laenen <benlae...@gmail.com> > On Wednesday 29 August 2012 14:08:10 Sander Deryckere wrote: > > Don't all roads with access rules have specific signs to clarify the > rules. > > I would think that the combination > > > > access=destination > > bicycle=yes > > foot=yes > > horse=yes > > agricultural=yes > > > > > > would be enough. > > That's the problem: it isn't enough. access=destination (used for C3 with > exception for "plaatselijk verkeer") will allow all horse drivers and all > cyclists for example, whether they have their destination on that road or > not. > But if the F99 sign has no bicycle or horse on these signs, then cyclists > and > horse drivers can only enter the street if they do have their destination > there... > > These tags above can give an idea to most current routers, and we're far > away > from routers implementing country specific rules, and one would have to > find > some exotic examples where this really makes a difference (and I'm pretty > sure > some people have a reaction of "who cares about those details" as a > result). > But that shouldn't stop us from tagging these roads in a way that we can > deduct the exact signage of that road in future once we have the tools that > make use of them. > > > > If you really want to denote it's because one of those > > specific signs, maybe adding a "designation=reserved" would be good. > > Together with the access tags, it can be determined for who it is > reserved. > > We do need a method to discern between F99a/F99b and F99c though, as the > rules > are slightly different. Would the addition of agricultural=yes be enough, > and > would the meaning of designation=reserved be clear enough to mappers? >
I remember highway=unclassified to be very unclear to me, but since we use it, it became more clear. designation=reserved means a F99* plate. The other access values tell you what is on it. An other option would be to introduce the value "designated" in Belgium, like most other countries have. So a F99a would translate to access=destination horse=designated foot=designated bicycle=designated designation=reserved and a C3 with exception for local traffic translates to access=destination horse=yes foot=yes bicycle=yes And a nature reserve plate would translate to access=private foot=designated towing_dogs=designated designation=nature_reserve That way, when we have some xxx=designated, we know a designation=* tag is missing. It looks quite complete and clear to me. I wouldn't like to include all values inside the designation=* tag like you did with "designation=road_reserved_ for_agricultural_vehicles_pedestrians_cyclists_and_horse_riders", as there is a huge possibility to make mistakes, and the order of words isn't even defined. Regards, Sander
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