Surface Data

Live surface/pavement data from Roadway Weather Information System (RWIS) sites in Iowa. Any field of NA or 9999 describes an invalid value being sent from sensor and was excluded for this REST service. This data gets updated every 10 minutes.

Querying over HTTP

Splitgraph serves as an HTTP API that lets you run SQL queries directly on this data to power Web applications. For example:

curl https://data.splitgraph.com/sql/query/ddn \
    -H "Content-Type: application/json" \
    -d@-<<EOF
{"sql": "
    SELECT *
    FROM \"mydata-iowa-gov/surface-data-wb7g-jxqb\".\"surface_data\"
    LIMIT 100 
"}
EOF

See the Splitgraph documentation for more information.