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Why This Guide Exists A practical introduction to drawing transit maps from data.
1 The Simplest Metro One line, two stations. That's all a metro map is — everything else is decoration.
2 A Line With Character Five stations, proper spacing, and the first signs of personality.
3 The Bend Straight lines break at corners. Bezier curves don't.
4 Two Lines Walk Into a Station The moment it becomes a real transit map: parallel lines through shared corridors.
5 The Station Node From plain circles to pills that span tracks, with colored transfer dots inside.
6 The Fork Where lines meet, split, and part ways — and why no special code is needed.
7 A Piece of the Real Thing Everything we've built, applied to a network that feels real.
8 From GTFS to Map Real cities publish their transit data in a standard format. Here's how to turn it into a map.
9 Making It Glow Same data, same engine, completely different feeling.
10 It Moves Trains as glowing dots, sliding between stations in real time.
11 The Whole Picture Everything we've built, in one living map.
12 What We Learned Reflections on coloring books, simple engines, and drawing your own city.