The indicator shows the proportion of county roads that are classified as bad or very bad. County road with poor or very poor state of coverage: Based on measured values ​​of traces according to the International Roughness Index & IRI. Source. Manual registration from car-mounted measuring equipment. Data source: National road database in the Directorate of Roads. County roads: The total county road network in the county. Data source: National road database in the Directorate of Roads.