National Trust for Historic Preservation staff share their work documenting and preserving Route 66 at this online mapping session hosted by OpenStreetMap US, then open three breakout rooms where attendees can join different Route 66 mapping projects.

Wednesday, November 11, 2026, 8 to 9 p.m. ET, online. Registration required.

Details and registration: openstreetmap.app.neoncrm.com (OpenStreetMap US)