On 13/07/2025 13:34, Jon Pennycook wrote:
Is width=2 supposed to have a magic meaning for some journey planner?
I remember it was a popular tag at one point for ways popular with
cyclists, but it seems to be coming back.
I remember there was a built-in mode in Potlatch 2 back in the day to
merge DfT cycleway widths with OSM data, but that was "est_width" not
"width". See this changeset and way from 2013:
https://www.openstreetmap.org/changeset/17758851#map=15/51.90839/0.90778&layers=H
https://www.openstreetmap.org/way/237235860/history
When adding widths (from survey) I usually only do it by eye to the
nearest meter (or maybe half-meter), so if other people are doing that
too it might explain why 2 is the 2nd most popular value:
https://taginfo.geofabrik.de/europe:britain-and-ireland/keys/width#values
Best Regards,
Andy
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