If your local region is already well mapped you can check https://tasks.openstreetmap.us/ https://tasks.openstreetmap.us/ for "armchair" mapping. There's many

If your local region is already well mapped you can check https://tasks.openstreetmap.us/ https://tasks.openstreetmap.us/ for "armchair" mapping. There's many QA tools with error reports that need attention https://wiki.openstreetmap.org/wiki/Quality_assurance https://wiki.openstreetmap.org/wiki/Quality_assurance