{"action":"create","ckan_id":null,"date_created":"Thu, 26 Mar 2026 22:00:00 GMT","date_finished":null,"harvest_job_id":"b084f908-feb5-482b-8866-0335568afa78","harvest_source_id":"b471e21a-60ad-4d6b-b0d0-609a613b16a3","id":"bd979be5-7647-4faa-aacd-12292850f64e","identifier":"679.3","parent_identifier":null,"source_hash":"be3dd024f9cfd3bb3dd6102f59730934b00a16251d7ba26d46ed99d7ca20388d","source_raw":"{\"@type\": \"dcat:Dataset\", \"accessLevel\": \"public\", \"accrualPeriodicity\": \"R/P1Y\", \"agencyDataSeriesURL\": \"http://www.infopave.com/\", \"agencyProgramURL\": \"http://www.fhwa.dot.gov/research/tfhrc/programs/infrastructure/pavements/ltpp/\", \"bureauCode\": [\"[ '021:15' ]\"], \"categoryDesignation\": \"Research\", \"collectionInstrument\": \"https://infopave.fhwa.dot.gov\", \"contactPoint\": {\"@type\": \"vcard:Contact\", \"fn\": \"FHWA-Datahub\", \"hasEmail\": \"mailto:Highway-Data@dot.gov\"}, \"dataQuality\": true, \"describedBy\": \"https://infopave.fhwa.dot.gov/Page/Index/IMS_USER_GUIDE\", \"description\": \"Long-term Pavement performance, construction, traffic, and environmental data for more than 2500 pavement sections in the United States and Canada. More than a dozen experimental designs address specially constructed and existing asphalt and concrete pavements, and maintenance and rehabilitation strategies. Data collection has been on-going since 1990. About one third of the pavement sections are still under study. New warm-mix asphalt concrete pavement overlay sections are currently being recruited and constructed.\", \"distribution\": [{\"@type\": \"dcat:Distribution\", \"description\": \"This access point provides access to the LTPP Reference Library.  Ability to search the reference library is provided through Google Search Appliance.  Also, access to LTPP IMS Users Guide is provided.\", \"downloadURL\": \"https://infopave.fhwa.dot.gov/%3FGoto=Library\", \"mediaType\": \"text/html\", \"title\": \"Library\"}], \"identifier\": \"679.3\", \"isPartOf\": \"DOT-679\", \"issued\": \"1993-07-01\", \"keyword\": [\"asphalt concrete\", \"continuously reinforced concrete pavement\", \"fwd\", \"ltpp\", \"maintenance\", \"materials testing\", \"pavement\", \"pavement distresses\", \"pavement performance\", \"portland cement concrete\", \"profile\", \"rehabilitation\", \"texture\", \"traffic loading\"], \"landingPage\": \"https://data.transportation.gov/d/xun5-tu36\", \"language\": [\"[ 'en-US' ]\"], \"license\": \"https://project-open-data.cio.gov/unknown-license/\", \"modified\": \"2024-05-08\", \"phone\": \"202-493-3149\", \"programCode\": [\"[ '021:009' ]\"], \"publisher\": {\"@type\": \"org:Organization\", \"name\": \"Federal Highway Administration\"}, \"references\": [\"[ 'https://infopave.fhwa.dot.gov/%3FGoto=Library' ]\"], \"temporal\": \"R/1993-07-01/P1Y\", \"theme\": [\"[ 'Transportation' ]\"], \"title\": \"Long-Term Pavement Performance (LTPP) - Library\"}","source_transform":null,"status":"error"}