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Real-time emergency incident tracker for the State of Louisiana

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Louisiana911 Public Incident Monitor

Louisiana911.com presents public incident information from participating Louisiana sources in one map and list.

Louisiana911 is not an emergency service. Call 911 for emergencies and follow instructions from local authorities.

About

The site provides:

  • Latest published incidents
  • Date-based history
  • Map and list views
  • Source, severity, and agency filters
  • Reports: monthly counts by parish and severity, and incident counts near an address or map point
  • Mobile-friendly incident details

Locations are shown only when a usable public location can be validated. Map markers identify reported locations, not guaranteed pinpoints or exact boundaries.

Coverage

Current sources include:

New Orleans information is published as a delayed daily record rather than a live feed. Source agencies may update, reclassify, delay, or remove records. Some locations are approximate, generalized, or unavailable.

The Caddo, Baton Rouge, Lafayette, and New Orleans coverage URLs open directly in map view with that source selected, including on mobile. A small dismissible card explains the feed; its expandable details retain the original coverage article. Each URL keeps its own canonical metadata and structured data. Opening a coverage page does not overwrite the visitor's saved map/list preference.

Map Guide

  • Red — higher-severity incidents
  • Yellow — medium-severity incidents
  • Blue — lower-severity incidents
  • Green — public-service incidents
  • Gray — custody or prisoner incidents
  • Striped red and white — medical or EMS incidents
  • Marker size — larger markers indicate less precise placement; dashed outlines highlight approximate locations

Single transparent triangles are the default. Settings includes a saved Circle markers option. Marker shape, dark/light appearance, map/list view, and the History map setting use localStorage on the same browser and site. Live incidents with 5 or more units pulse with an outline matching their shape; reduced-motion preferences keep the outline static.

Colors are a visual organization aid, not an official emergency classification.

In History, Major events 5+ beside the severity buttons filters the selected day to incidents with at least five recorded units. It combines with source, agency, and severity filters and applies to both the list and map. Historical major events pulse in either marker style; this does not mean the incident is still active. The collector preserves the highest observed unit count as assignments change. Older records use their saved unit count because earlier peaks cannot be reconstructed.

Important Limits

Louisiana911 reflects what each public source publishes. It is not a complete record of emergency activity, dispatch operations, response status, or final outcomes. Times, descriptions, units, and locations can change at the source.

Project Layout

  • sources/ — source adapters and normalization
  • public/ — site interface and coverage pages
  • tests/ — behavior and source checks

License

See LICENSE.

Basemap configuration

The map uses CARTO vector Dark Matter (dark) and Positron (light), with labeled raster tiles as a fallback if WebGL or vector loading fails. To enable CARTO, set LOUISIANA911_CARTO_BASEMAP_KEY on the web process, then restart it. CARTO_BASEMAP_API_KEY is also accepted. For local development, put {"cartoKey":"YOUR_KEY"} in instance/basemaps.json (excluded from Git and Docker builds); environment variables take precedence. Request a basemap key at https://carto.com/basemaps/apikey/. This is separate from the geocoder. The key is passed to the browser for tile requests; keep it out of source control and use the domain registered with CARTO. Without a key, the map uses OpenStreetMap with a monochrome dark appearance. Map-provider credits stay visible.

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Real-time emergency incident tracker for the State of Louisiana

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