Downgrade many roads (secondary to tertiary and unclassified, primary to secondary) because they don’t connect large enough settlements, easing type changes

Fix geometry and classification of highway=road

Downgrade primary road to tertiary because it makes more sense, and add some missing surface tags for consistency

Upgrade and downgrade roads as needed to prevent sudden type changes, some airfield improvements

Upgrade and downgrade roads as needed to prevent sudden type changes, map small airfield more thoroughly, fix name typo (avenue → Avenue)

Downgrade secondary road to ease type changes and delete some meaningless, decade-old GPX waypoints

Downgrade primary road to ease type changes, map small settlements, improve road geometry

Fix road geometry at junction

Downgrade primary road to ease type changes, and some other changes

Shorten primary road so it ends at motorway ramps, other road type adjustments, add missing turn restrictions

Downgrade tertiary road and add turning circle

Revert Old US Route 66 back to highway=primary as requested by https://www.openstreetmap.org/user/Pontius (I’ve previously downgraded it to secondary)

Fix road types of link roads and regular roads, add missing turn restrictions

Downgrade roads to ease type changes, plus other improvements

Downgrade roads to ease type changes

Downgrade roads to ease type changes

Downgrade roads to prevent sudden type changes, plus some minor fixes

Upgrade and downgrade roads as needed to prevent sudden type changes, add missing turn restrictions, slight railway bridge fix

Lengthen primary road so it ends at motorway ramps, add missing turn restriction

Add missing turn restrictions