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SUMMARY:From centroid to entrance: a global assessment of POI access locat
 ions for accessibility - Pierre-Leo Bourbonnais\, Yannick Brosseau
DTSTART;TZID=Europe/Paris:20260830T122500
DTEND;TZID=Europe/Paris:20260830T123000
DTSTAMP:20260917T073437Z
UID:pretalx-sotm2026-osm-science-EL3XUW@pretalx.com
DESCRIPTION:Transport models routinely anchor points of interest (POIs) at
  the centroid of their building or parcel. On large multi-building sites\,
  this can misrepresent pedestrian access\, distorting first-/last-mile tra
 nsit access\, wheelchair routing\, and curbside drop-off precision. We qua
 ntify how explicit `entrance=*` detail in OSM shifts accessibility-style m
 etrics relative to centroid proxies. The study uses a global\, population/
 built-volume-weighted random sample to compare centroids against the neare
 st main entrance. We release the full toolchain that persists measurements
  between POI / entrance / centroid anchors and the nearest road network an
 d transit stop.
LOCATION:Martinique
URL:https://pretalx.com/sotm2026-osm-science/talk/EL3XUW/
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