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A 2026 dataset from the Heidelberg Institute for Geoinformation Technology (HeiGIT) provides AI-derived road surface classifications for Czechia. It covers approximately 0.3757 million kilometers of roads from OpenStreetMap, with deep learning predictions augmenting missing surface data. The dataset distinguishes paved and unpaved roads, supporting transportation and infrastructure analysis.
License is ODbL-1.0, which carries specific attribution and share-alike requirements.