On 10/26/2010 09:17 AM, Nathan Edgars II wrote: > On Tue, Oct 26, 2010 at 8:36 AM, Adam Schreiber > <sadam-pwfglq4rzxkvc3sceru...@public.gmane.org> wrote: >> I think that 4-way and 3-way stops can be handled unambiguously by >> highway=stop. More complex stops should probably be modeled with turn >> restrictions. >> >> type=restriction >> restriction=stop >> roles=from,to,via > > But a stop sign isn't a restriction; it has the main effect of slowing > average speed. If our router is so precise that the seconds added by a > stop sign count, it can easily calculate the nearest intersection to > each stop sign node to figure out the likely direction. But for > practical purposes simply halving the number of stop sign nodes passed > should be enough. > > What's wrong with something like highway:forward=stop or > highway:backward=stop for the node where one must stop?
If the stop sign's location next to the road is explicitly tagged, about the only feasible way to define it's direction is with a relation.
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