[Talk-us] Use of highway=tertiary

Paul Johnson baloo at ursamundi.org
Tue Jan 5 19:39:24 GMT 2010

Greg Troxel wrote:

> Stellan Lagerstrom <lagerstrom at blindsight.com> writes:
>> We have a user (mk408) who seems intent on turning 3/4 of all
>> residential streets in the bay area into tertiary.
>> This seems excessive to me. Most of these are just residential streets,
>> not thoroughfares, etc.
>> Views?
>> Here's one changeset: http://www.openstreetmap.org/browse/changeset/3519089
> I think tertiary is way overused.  Starting with the notion that
> highway=secondary should be a state highway, tertiary should be a
> significant road that people use to get to a state highway, or at least
> a link between population centers of thousands of people.  Other main
> roads within a city would then be unclassified.

I tend to include county highways and city streets that have at minimum
a marked centerline in the definition of tertiary.  This seems to be
congruous with map features.

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