Source: OpenStreetMap contributors, Japan PBF dated 2026-09-12T20:21:58Z.
License: ODbL 1.0 https://www.openstreetmap.org/copyright
Database extraction by navicchoro. Node IDs retain their OSM provenance.
Contains mapped nodes only; not a complete or current equipment inventory.
N-system is classified only where its name/description identifies it. Other ALPR nodes are separately labelled.
Traffic signal icons describe locations, not current light phases.
Rebuild: PYTHONPATH=/path/to/pyosmium python3 server/build-road-safety.py data/poi/incoming/japan-latest.osm.pbf next/data/road-safety

Schools include amenity=school nodes and way bounding-box centres. Railway level crossings use railway=level_crossing nodes. School relation-only campuses are not included.