r/TransitDiagrams is a subreddit with 42k members. The community frequently discusses map, transit, design, metro, and railway, and the most common flair used is diagram, map, station, other, and article.
A community for all kinds of Transit Diagrams and Maps - 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] Great British high-speed rail fantasy map"
123 posts
#2
Map
: "[OC] An imaginary rail system I had created for no reason"
69 posts
#3
Station
: "Schematic for N.Y. PENN STATION EXPANSION PROJECT (PENN SOUTH)"
2 posts
#4
Other
: "Abstract transit art [OC]"
2 posts
#5
Article
: "Dutch Railways NS is holding a national rail map/diagram competition"
1 post
#6
Visualisation
: "[OC] London Underground ridership heatmap"
1 post
#7
Discussion
: "Better maps for public transport?"
1 post
#8
Track
: "NYC Subway Live Metro Map - (simplified) track map"
1 post
Member Growth in r/TransitDiagrams
Yearly
+9k members(26.8%)
Similar Subreddits to r/TransitDiagrams
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13k members
35.0% / yr
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131k members
24.9% / yr
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Last updated: June 23, 2026