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Spanning 131,300 km of arterial roads in Spain, providing AI-derived surface types and width classifications generated by HeiGIT from 2020 and 2024 PlanetScope satellite imagery. It integrates OpenStreetMap (OSM) geometry with deep-learning predictions to fill gaps where OSM surface tags are missing for nearly 50% of the network.
Available in GeoJSON and GeoPackage formats; methodology is documented in arXiv:2512.04092.