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NYC Crash Bar Chart Interactive Legend with React & D3

✓ Published0🌍 Public

Last edited Nov 6, 2025

Created on Oct 30, 2025

Forked from NYC Crash Bar Chart with React & D3

This stacked bar chart displays NYC collision data by hour, breaking down each bar into injuries, deaths, and other crashes. Hovering over legend items highlights the corresponding stack with a black stroke and fades others to 20% opacity. The visualization uses React for state management and D3 v7 for rendering, including `d3.stack`, `d3.scaleLinear`, and `d3.axisBottom`. It loads hourly crash statistics from a CSV file via `d3.csv` and handles window resizing with dynamic SVG dimensions.

AI-generated description

Stacked Bar Chart - NYC Collision Data

This visualization shows a stacked bar chart of NYC collision data by hour, displaying injuries, deaths, and other crashes.

Interactions

Hover over the legend items to highlight the corresponding bars in the chart
Hovered bars are highlighted with a black stroke and brought to the front
Non-hovered bars fade to 20% opacity when hovering

Data

The data shows hourly collision statistics including:

Total injuries
Total deaths
Remaining crashes (crashes without injuries or deaths)

MIT Licensed

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