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Optimized Interactive NYC Borough map with scroll and zoom

✓ Published2🌍 Public
JJose Morales
Last edited Nov 22, 2025
Created on Nov 22, 2025

This interactive map of New York City boroughs displays the locations of cyclist, pedestrian, and motorist injuries and fatalities. Users can zoom and pan the map, and toggle the visibility of six incident categories via a legend. The visualization is built with React, using D3’s `geoMercator` and `geoPath` to render the TopoJSON boundary data and project incident points from CSV files. Point rendering and map transforms are optimized for smooth animation.

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MIT Licensed

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