Hello Road hierarchy is needed for a number of things: * deciding which classes of roads to display on different scales in a map * performing road network validation * other tasks (f.e. typification of buildings - orientation)
Hierarchy would be different in different context: motorcar, bicycle, pedestrian etc. For the time being I'm only asking about motorcars. There is non written (or I could not find in wiki) or "de facto" hierarchy: * motorway * trunk * primary * secondary * tertiary * unclassified * residential * living_street In some regions unclassified has a higher position in hierarchy, in other regions unclassified, residential and living_street have the same position. This is fine for the time being. I'm also intentionally skipping _link classes. My question is about what goes further: track / service Which of them is higher? Does additional tags influence this? For example does adding service=driveway reduce position in hierarchy of service road? Does any value of tracktype change position of track road? And in general, is there a point of agreeing on this globally or it will stay regional anyway? -- Tomas
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