An interactive crash risk engine and street safety mapping dashboard for Philadelphia, PA. Uses local high-performance DuckDB queries and geographic canopy layers to analyze and visualize KSI (Killed or Seriously Injured) road hazards. Built as a self-hosted, forkable template for localized city mapping.
react local gis urban-planning data-visualization open-data spatial-analysis traffic-safety vite duckdb street-safety geoparquet sovereign-data crash-risk-engine ksi-mapping phlcrsh
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Updated
Sep 24, 2026 - HTML