Road Length by Measured Pavement Roughness, 2000-2024 (HM-64)
Annual road length by measured pavement roughness using the IRI (International Roughness Index) by functional class for the 50 states, DC, and PR from the Highway Statistics Series table HM-64. Note: Missing 2010 and 2021,
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Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | public |
| bureauCode |
[ "021:15" ] |
| contactPoint |
{ "fn": "Office of Highway Policy Information", "@type": "vcard:Contact", "hasEmail": "mailto:PolicyInfoFeedback@dot.gov" } |
| dataQuality |
true
|
| description | Annual road length by measured pavement roughness using the IRI (International Roughness Index) by functional class for the 50 states, DC, and PR from the Highway Statistics Series table HM-64. Note: Missing 2010 and 2021, |
| distribution |
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| identifier | https://data.transportation.gov/api/views/26bt-cq5y |
| issued | 2025-07-29 |
| keyword |
[ "functional classification", "highway statistics", "hppi", "iri" ] |
| landingPage | https://data.transportation.gov/d/26bt-cq5y |
| language |
[ "en-US" ] |
| license | https://www.usa.gov/government-works |
| modified | 2026-06-15 |
| primaryITInvestmentUII | 021-099281808 |
| programCode |
[ "021:009" ] |
| publisher |
{ "name": "Federal Highway Administration", "@type": "org:Organization" } |
| systemOfRecords | https://www.govinfo.gov/content/pkg/FR-2006-05-03/pdf/E6-6510.pdf |
| temporal | 2000/2024 |
| theme |
[ "Transportation" ] |
| title | Road Length by Measured Pavement Roughness, 2000-2024 (HM-64) |
