Underground_Signal_Interconnect

Location of city conduit that networks the traffic signals. Source: John Harris, Lead Traffic Signal Electrician, 9/10/2013.

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 \"cityofberkeley-info/undergroundsignalinterconnect-gymg-w5u8\".\"undergroundsignalinterconnect\"
    LIMIT 100 
"}
EOF

See the Splitgraph documentation for more information.