Drawing Parallel Lines on a Map

  1. Drawing Lines on a Map
  2. Trying to Draw Parallel Lines on a Map
  3. Drawing Subway Tracks
  4. Lots of Math
  5. The Problem with Actually Parallel Lines
  6. Which angle is correct?
  7. Using Vectors Instead
  8. Drawing Parallel-ish Tracks

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This website doesn't look great on a phone, I've added buttons to hide the card text to reveal more of the map, but try it out on a larger device if there is hidden content.