On Sat, Mar 14, 2009 at 10:38:06PM -0600, James Ewen wrote: > http://maps.google.com/?ie=UTF8&ll=53.541206,-113.315593&spn=0.000875,0.002414&t=h&z=19 > > Here's a roadway with 3 lanes in each direction, with a physical > divider that accesses residential areas, as well as going around and > through them. This fits the use criteria, but I would and have tagged > it as a secondary road. Lower level roads that feed into the > residential neighborhoods are tagged as tertiary, and then the lowest > level roads are tagged as residential.
That actually looks like a classified road, even though it may not be. We tag what’s on the ground, so I would probably tag it the same. It’s fine to have a primary road (for example) with houses abutting, and it happens a lot in the UK. I’m not going to argue over different tagging schemes as so many seem wont to do, but I will point out where your assumptions about tags might be wrong. My original suggestion (highway=residential, but not necessarily access=private) works for similar areas in the UK: “show” housing estates can be somewhat similar, as well as gated communities. Obviously, I haven’t been to the estates you give as examples, so I’m not the best person to decide how they should be tagged. A problem is, there is an overlap between residential and service in language: (disregarding any specific tagging) a residential road is a type of service road, servicing residential areas. In tagging, highway=residential got there before highway=service, service=*, and is what many people use to describe, well, residential roads. If maps of residential estates (an example) don’t show your highway=service, and you think they should, you might want to tag the same way everyone else does. You can always add lanes=*, width=*, etc. > I'm going to continue to tag roads according to their physical > attributes AND use, creating a useful map that portrays the roadways > in a manner that will allow others to visualize the area that they are > viewing If I had a scheme for tagging administrative, purpose, and physical attributes separately rather than bunging them all into these highway classifications, and could somehow convince everyone to move over to it, I would much prefer that. That is more useful data than the misuse, or rather varying use, of kitchen sink tags. Simon -- A complex system that works is invariably found to have evolved from a simple system that works.—John Gall
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