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Google Maps KML "Formula 1 Circuits - 2018", which was found at this Wikipedia page: https://en.wikipedia.org/wiki/Melbourne_Grand_Prix_Circuit
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KML to Esri Shapefile to GeoJson/TopoJson
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SVG stacking is achieved in D3js with each feature having a unique projection rotated to that feature's centroid
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Some ideas for 80's racer neon colors: https://www.behance.net/gallery/36655273/80s-Neon-ShapesWallpapers
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Some ideas on SVG filter effects: http://jsfiddle.net/drewnoakes/gc8Bt/