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,
Resources
4 resources available
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Resource 1
APPLICATION/JSON -
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APPLICATION/RDF+XML -
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TEXT/CSV
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 | 2026-03-26 |
| 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) |
