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Smooth travel exposure—rural roads with a roughness level less than 4.2 IRI
Percentage of travel undertaken each year on state-controlled rural roads with a roughness level condition of less than 4.2 IRI. Please note: This is an inactive dataset and is... -
Smooth travel exposure—rural roads with a roughness level less than 5.33 IRI
Smooth travel exposure (percentage of travel undertaken each year on state-controlled rural roads with a roughness level condition of less than 5.33 IRI). Please note: This is...