On Thu, Oct 10, 2019 at 1:38 AM Frederik Ramm <frede...@remote.org> wrote:
> Personally I believe that "physical division => separate ways; no > physical division => shared way" is the standard in OSM, or perhaps at > least the "rule of thumb". But (since people in the German discussion > have more or less claimed that the world is going to end if local > mappers are allowed to treat this differently) I'd like to hear from > mappers in other countries how rigidly this standard is applied. Is it > something where local mappers have some freedom of judgment (like when > choosing which highway=* category to apply to a road) or do you have > strict standards and definitions? > So, single carriage freeway? In the US, that'd be a single way, highway=trunk, oneway=no. About the only time I map it otherwise is where a single carriageway results in spurious directions due to the angles required to make it come together (like the one block of South Lewis Avenue between 51st Street and Skelly Drive in Tulsa, where the distance between the end of the median and the center of the intersection results in a nearly right angle if it were to be mapped more strictly). Or at exit ramps (where I start a placement=transition segment even with the start of the theoretical gore and ends centered on the ramp through lanes, preventing consumers from giving the instruction too soon as happens extending the ramp vector straight line to the motorway or too late when going as close to the physical bullnose as possible).
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