On 10/15/13 7:29 PM, Tod Fitch wrote: > ref: http://wiki.openstreetmap.org/wiki/California#Highway_types and > http://wiki.openstreetmap.org/wiki/United_States_roads_tagging > > Specific questions: > http://www.openstreetmap.org/#map=18/37.38554/-122.05217 > > Should Central Expressway be marked as primary rather than trunk at > this point? The existence of a traffic signal indicates that it does > not always have right of way. Other sections of Central Expressway are > grade separated with limited access and highway=trunk makes sense to > me but not here. > i think it's ok for trunks in the US to have traffic lights. they probably shouldn't have a bunch of connecting side roads. an example in NY is Washington Avenue extension in Albany, which is a 55mph road with a limited number of traffic lights and a frontage road system providing access to the host of office buildings:
http://www.openstreetmap.org/#map=17/42.70672/-73.86218&layers=N grade separated/limited access is usually a sign of a motorway. > http://www.openstreetmap.org/#map=16/37.7751/-120.7939 > > Highway 120/108 at this point is a two lane road. Side roads have stop > signs. Other areas similar to this have the highway tagged as primary > or secondary, not trunk. Even highway 120 and highway 108 further west > of this are tagged primary rather than trunk. > this is probably primary/secondary > http://www.openstreetmap.org/#map=16/37.9772/-120.3549 > > In this area highway 108 is a "super two", one lane each way, > undivided, but with grade separation and limited access. How do people > typically classify a super two? > super twos generally are trunks. richard
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