U.S. City Open Data Census
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Calls for service from Police, Fire, and EMS. Emergency response is one of the most important functions of local government as the lives of city residents may be on the line. Emergency call data can provide insight into the most common public safety issues facing a city, as well as geographic areas most affected. Transparent public access to emergency call data can also serve to keep dispatch and public safety offices accountable.
Emergency calls may include 911 calls, 911 calls plus agency-initiated calls, actual dispatches, or something similar. Sometimes calls for things like sensitive crimes may be excluded; this is acceptable.
When searching for Emergency Calls data, note that EMS is often included within Fire but is sometimes separate. If this data is spread out across multiple datasets (which is often the case), the section where you link to the data must include links to all of them.
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| Question | Answer | Comment |
|---|---|---|
| Openly licensed | Yes | |
| Available in bulk | Yes | |
| Up-to-date | Yes | |
| Available free online | Yes | |
| Available free of charge | Yes | |
| In an open format | CSV, GeoJSON, JSON, KML, KMZ, SHP, TSV, TXT, XLS, XML | |
| findable | 4 | |
| findable_steps | 1) Go to Detroit's open data portal; 2) Search "911" in upper right; 3) Click dataset title | |
| licence_url | Public domain license | |
| Collected by government | Yes | |
| usability | 3 | |
| collector_name | City of Detroit Police Department | |
| characteristics | Date and time, Type or description, Location (may be coordinates or addresses; addresses may be at the block level, such as “5XX Main Street”) | |
| location | https://data.detroitmi.gov/d/wgv9-drfc - 911 Calls for Service / City of Detroit open data portal |
