Tunnels by NHS and State
This summary tables provides annual counts of tunnels on and off the National Highway System (NHS) by States and territories beginning in 2018.
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Resource 1
APPLICATION/JSON -
Resource 2
APPLICATION/RDF+XML -
Resource 3
APPLICATION/XML -
Resource 4
TEXT/CSV
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Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | public |
| bureauCode |
[
"021:15"
]
|
| contactPoint |
{
"fn": "FHWA-Data Team",
"@type": "vcard:Contact",
"hasEmail": "mailto:no-reply@data.transportation.gov"
}
|
| dataQuality |
true
|
| description | This summary tables provides annual counts of tunnels on and off the National Highway System (NHS) by States and territories beginning in 2018. |
| distribution |
[
{
"@type": "dcat:Distribution",
"mediaType": "application/json",
"describedBy": "https://data.transportation.gov/api/views/ka9m-ar5q/columns.json",
"downloadURL": "https://data.transportation.gov/api/views/ka9m-ar5q/rows.json?accessType=DOWNLOAD",
"describedByType": "application/json"
},
{
"@type": "dcat:Distribution",
"mediaType": "application/rdf+xml",
"describedBy": "https://data.transportation.gov/api/views/ka9m-ar5q/columns.rdf",
"downloadURL": "https://data.transportation.gov/api/views/ka9m-ar5q/rows.rdf?accessType=DOWNLOAD",
"describedByType": "application/rdf+xml"
},
{
"@type": "dcat:Distribution",
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"downloadURL": "https://data.transportation.gov/api/views/ka9m-ar5q/rows.xml?accessType=DOWNLOAD",
"describedByType": "application/xml"
},
{
"@type": "dcat:Distribution",
"mediaType": "text/csv",
"downloadURL": "https://data.transportation.gov/api/views/ka9m-ar5q/rows.csv?accessType=DOWNLOAD"
}
]
|
| identifier | https://data.transportation.gov/api/views/ka9m-ar5q |
| issued | 2026-05-15 |
| keyword |
[
"nhs",
"nti",
"tunnels"
]
|
| landingPage | https://www.fhwa.dot.gov/bridge/inspection/tunnel/inventory.cfm |
| language |
[
"en-US"
]
|
| license | https://www.usa.gov/government-works |
| modified | 2026-05-15 |
| programCode |
[
"021:009"
]
|
| publisher |
{
"name": "Federal Highway Administration",
"@type": "org:Organization"
}
|
| temporal | 2018/2025 |
| theme |
[
"Roadways and Bridges"
]
|
| title | Tunnels by NHS and State |
