Completely agree, Stewart. Similarly I live just off a road I would consider to be a tertiary level road. It runs for only 4 km and links up residential side streets, a high school, an elementary school and a small scale commercial zone. It is only two lanes wide but for over 50% of its length has a centre boulevard or a centre dual left turn lane. As well, less than 25% of its length has residences that off it and none where you can park on the road itself.
Where it meets four main crossroads the intersections are as follows: Intersection A: full signal with priority given to the crossroad. Intersection B: a four-way stop. Intersection C: full signal with priority given to the road in question. Intersection D: a stop sign with the crossroad given full priority over the road in question. In addition there is a walking trail that crosses with a pedestrian activated signal but with an advanced warning signal as described at http://wiki.openstreetmap.org/wiki/Canada:British_Columbia#Highways_and_provincial_roads under "trunk". Driving the full length you would know it is a tertiary level route, yet I can take photographs of the route that could lead you to believe it is a trunk road. --- Another example is SW Marine Drive between Camosun Street and the University of British Columbia - https://www.openstreetmap.org/way/255865854#map=15/49.2428/-123.2196 . It is designed at the level described for trunk road at http://wiki.openstreetmap.org/wiki/Canada:British_Columbia#Highways_and_provincial_roads, yet the OSM contributors have designated it as secondary highway. I don't find this a "maddening" as you say, but then I feel we could adopt a more UK approach to the definition then a infrastructure/design POV. On Tue, Jan 26, 2016 at 1:27 PM, Stewart Russell <scr...@gmail.com> wrote: > A trunk road is not necessarily divided. The limited access part means > that it's not residential. It has to go from a town or city to another town > or city. It predates or has lesser capacity than a motorway. > > It's one of these maddening "know one when I see one" definitions that > makes perfect sense in the UK but is difficult elsewhere. > > Much of the Trans-Canada, f'rinstance, would be considered a trunk road. > > Cheers > Stewart > > _______________________________________________ > Talk-ca mailing list > Talk-ca@openstreetmap.org > https://lists.openstreetmap.org/listinfo/talk-ca > >
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