r/TransitDiagrams is a subreddit with 46k members. The community frequently discusses map, transit, design, metro, and railway, and the most common flair used is diagram, map, visualisation, and discussion.
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] NYC Subway Map Redesign"
47 posts
#2
Map
: "[OC] Montreal Metro-REM-EXO Speculative Map"
39 posts
#3
Visualisation
: "Seoul's Subway Network"
3 posts
#4
Discussion
: "Would someone be interested to share their creations with Wikimedia Commons?"
2 posts
Member Growth in r/TransitDiagrams
Yearly
+10k members(29.0%)
Similar Subreddits to r/TransitDiagrams
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13k members
14.8% / yr
r/transit
138k members
25.4% / yr
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Last updated: September 17, 2026