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Interactive NYC Borough map with scroll and zoom

✓ Published0🌍 Public
JJose Morales
Last edited Oct 23, 2025
Created on Oct 23, 2025

An interactive map of New York City's five boroughs colored by name, with an optional overlay of incident points. Across each borough, users can toggle visibility for six crash-related categories—cyclists, pedestrians, or motorists, each further split into injured or killed—using checkboxes or clicks in the legend. The React app loads data from CSV files for incident locations and a TopoJSON file for borough boundaries, rendering with D3's Mercator projection and `geoPath`. Hovering over a borough displays a tooltip with aggregate crash statistics from a separate CSV.

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MIT Licensed

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