On Thu, Dec 30, 2010 at 12:19 AM, Diego Woitasen <di...@woitasen.com.ar> wrote: > Hi, > In Argentina we have a general rule. If you are driving in a two way > highway (residential, primary, secondary, etc) you can't turn left. > You can do it only if there is a sign and/or traffic light with the > turn left row. We are discussing in the Argentina forum about if it's > make sense to map the no_turn_left restriction on every crossing road > or not. I think that we should drive the exception to the rule, the > routing software should apply the default restriction. > > What are you doing in the other countries? > > Regards, > Diego >
This proposal of tagging the allowed left turns will be quite a headache for people who make routers. The biggest problem is that the router needs to recognize that the road is a divided highway (workable but not trivial in the current OSM practice) before it can determine where there are possible left turns. _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk