OpenStreetMap US

JOSM is an extremely productive way to edit the map but can be quite intimidating to the un-initiated. Come and get help getting started or stick around and we can work though some more advanced workflows demonstrating various tricks and features to level up your editing.

Some topics we can cover:

  • Getting started
  • Sidewalk plugin
  • Speedy building mapping
  • Advanced selection and searches
  • Overpass integration
  • TagInfo cleanup workflows
  • and more!

No recording is available from this session.

Speakers

Matthew Whilden

Matt is a hobbyist mapper from Redmond, Washington. He is currently obsessed with building tooling and practices to get public domain datasets into OSM. His projects include the GNIS National File and the National Address Database.

Harrison Devine

Harrison is a hobbyist mapper, Wikipedian, community gardener, and cyclist based in Brooklyn, NY. Professionally, he is a non-profit accountant supporting a variety of small and mid-size human service organizations. As a mapper he is focused on pedestrian infrastructure. He lends his non-profit accounting experience to OSM US as the board treasurer and sits on the OSMF Finance Committee.

Next up in State of the Map US

Previous talk
Highway & Trail Conflation with OSM

Jun 19, 2025 · Rob Savoye

This is a deep tech dive into the process of conflating external datasets with OpenStreetMap, mixed with discussion about ground-truthing data.