r/TransitDiagrams is a subreddit with 43k members. The community frequently discusses map, transit, design, metro, and railway, and the most common flair used is diagram, map, track, visualisation, and game.
A community for all kinds of Transit Diagrams and Maps and their design - a place to exchange and help with self-made Transit Maps and Diagrams.
Popular Topics in r/TransitDiagrams
#1
Map
83 posts
#2
Transit
40 posts
#3
Design
31 posts
#4
Metro
29 posts
#5
Railway
16 posts
#6
Oc
15 posts
#7
Rail
13 posts
#8
Network
12 posts
#9
Fantasy
7 posts
#10
Transit Diagram
7 posts
Flair Used in r/TransitDiagrams
#1
Diagram
: "[OC] Fictional: Hengjie City [恒界市] in Kepler-442b Maglev Metro Network - Made with Paint.Net"
117 posts
#2
Map
: "[OC] Paris's first established bus network in 1662"
70 posts
#3
Track
: "NYC Subway Live Metro Map - (simplified) track map"
3 posts
#4
Visualisation
: "[OC] London Underground ridership heatmap"
2 posts
#5
Game
: "[OC] A transit diagram for my videogame"
2 posts
#6
Other
: "Reykjavik Bus Diagram [OC]"
2 posts
#7
Article
: "Dutch Railways NS is holding a national rail map/diagram competition"
1 post
#8
Discussion
: "[OC] Feeling too much São Paulo these days? Metro Designer 4 lets you build railway maps in the style of the Paulista Metropolitan Transport Network."
1 post
#9
Station
: "Schematic for N.Y. PENN STATION EXPANSION PROJECT (PENN SOUTH)"
1 post
#10
Animation
: "Animated map of London TfL rail trips on an average weekday [OC by minecraftian48]"
1 post
Member Growth in r/TransitDiagrams
Yearly
+9k members(27.6%)
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21.2% / yr
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Last updated: July 22, 2026