MP schrieb: >> a) motorway: that's very clear, therea are no or very high limits. >> b) "city" areas with limited speed and some restrictions >> c) everything else, mostly out of town. >> > > In Czech republic there are different rules for motorways inside > "city" area (maxspeed=80) and outside (maxspeed=130). So case d) > > identifying a) is easy and if we are able to identify what is inside > and outside city - b), we can identify roads and motorways > inside/outside city. > > There was similar discussion on czech mailing list. One suggestion is > to use administrative boundaries. There was suggestion to use > landuse=residential, but that is not possible - often the "city" area > is not corresponding to landuse=residential. Suggestion for > administrative area is pretty good, but there are still some caveats - > sometimes the boundary follow the road and in few cases, sign for "end > of village" and sign for "beginning of village" from other side do not > match (so basically, one side of the road is "inside" the village, > while the other is not.) > Would be cool, if you can add your czech traffic-zones to the proposal. http://wiki.openstreetmap.org/wiki/Proposed_features/trafficzone > >> (In practice, the test for a "built up area" seems to be "does it have >> street lights?".) >> > > Test for street lights won't work, many small villages in Czech. Rep. > are signes as build-up area (with all the implied speed limits and > such), but they don't have street lights at all. > > Martin >
street-lights as a mark of build-up areas works in UK and Australia and maybe some other Commonwealth-Counties. -- Mario _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk