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Gasolytics — US Gas Price Map

Live US gas-price tracker — an interactive map of all 50 states + DC with daily AAA averages, per-state metro breakdowns, and price trends.

Next.jsReact 19TypeScriptd3-geoWeb ScrapingVercel
Visit live sitePrivate repo · code available on request

Highlights

  • Built an interactive d3-geo choropleth projected to SVG server-side (so no d3 ships to the client), with metro price pins, hover tooltips, wheel-zoom/drag-pan, and a per-state detail panel
  • Scrapes AAA's state-averages page server-side for all 50 states + DC across 4 fuel grades, caching in memory and accruing daily per-state and per-metro price-history snapshots
  • Shipped on Next.js 16 (Turbopack) + React 19; deployed to Vercel with a daily cron snapshot route