A source-backed Rankhog guide to r/TransitDiagrams: public rules, community context, posting fit, and startup-promotion risk before you publish.
By Anthony Riera, founder and operator of Rankhog.
Subreddit guides combine public Reddit source URLs, captured rules, visible verification dates, and Rankhog's account-safety workflow.
Current public stats
Rules can change, so Rankhog keeps verification dates and the original public Reddit sources visible.
This community is for all kinds of transit diagrams and maps and their design. It is a place to exchange and help with self made transit maps and diagrams, so the people posting here are hobbyists and designers who make their own maps and want feedback or want to share work they found.
The rule “Posts must have a descriptive title” decides survival first, because a title needs to say where the map is set and when, whether that is a real city, an imaginary one, the present, or the future. The rule “Please link directly to the original source” matters if you share someone else's work, and if that work comes from another reddit user you credit them in a comment. If the map is yours, the rule “Include [OC] tag for original content and tell us about in a top level comment” applies, so the [OC] tag goes in the title and a top level comment explains the tools you used, your idea, and your inspiration. The rule “Please set the flair to the appropriate category” is required on every post, with categories like Transit [Map], Transit [Diagram], [Track], [Station], Map of [Trips], [Visualisation], [Other], [Article], Text [Discussion], Text [Meta], [Animation], and [Redacted]. The rule “Please don't repost more often than every 6 months.” sets the wait time before posting the same content again. Finally, the rule on new community projects limits posts asking for system names, service ideas, and fantasy networks to Tuesdays and Thursdays only.
A good post here is a transit map or diagram you made yourself, with a title that says where it is set and when, the [OC] tag in that title, and a top level comment explaining the tools you used, your idea, and your inspiration. Set the flair that matches your work, like Transit [Map] for something geographic or Transit [Diagram] for a Harry Beck Style take. If you are sharing a map you found, link directly to the original source and credit the maker in a comment if they are a reddit user. If your product or side project helps people design maps, the honest move is to post a diagram you actually made with it, tagged [OC], and let the top level comment mention the tool naturally.
Do not post without a descriptive title, because posts are removed when the title does not say where and when the map is set. Do not skip the direct link to the original source, and never share another reddit user's work without crediting them in a comment. Do not post your own diagram without the [OC] tag and a top level comment about your tools, idea, and inspiration, because posts missing those get removed. Do not set the wrong flair or leave it unset. Do not repost the same content more often than every 6 months, and do not post community projects like fantasy networks or name requests on any day other than Tuesday or Thursday.
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Yes, and the community actively wants it. Rule “Include [OC] tag for original content and tell us about in a top level comment” asks you to add [OC] to the title and write a top level comment covering the tools you used, your idea, and your inspiration.
The rules ask for the place, like a city, country, continent, or an imaginary setting, and the time, like the present, the future, or a historic year. A descriptive title with both is what keeps the post up.
The rules require you to link directly to the original source, and if the work comes from another reddit user you must credit that user in a comment. Reposting a blog version instead of the source is the mistake to avoid.
Yes, but only on Tuesdays and Thursdays. The rules limit posts asking for names for a system, group ideas for where a service should run, and fantasy network posts to those two days.
The rules list the options, including Transit [Map], Transit [Diagram], [Track], [Station], Map of [Trips], [Visualisation], [Other], [Article], Text [Discussion], Text [Meta], [Animation], and [Redacted]. Pick the one that matches what you posted.
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