r/caltrain↗
Caltrain
Unofficial forum for all and everything about Caltrain, the commuter train service between San Francisco and San José.
7.7k subscribers121 posts / mo in Sep 2026100 authors / mosince 2012
r/caltrain has 7.7k members (+75% over the last 12 months). It gets about 121 posts a month from 100 people. Top topics: Train Delays, Train Incidents and Accidents and Train Accidents.
When to post on r/caltrain
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How r/caltrain has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/caltrain
Top topics
Share of the subreddit's posts
- Train Delays2.4%
- Train Incidents and Accidents1.4%
- Train Accidents1.0%
- Train Service Issues0.6%
- Parking Tickets0.5%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Apple
- Palo Alto Online
- KQED Inc
- ABC7 San Francisco
- San Mateo Daily Journal
Everything else about r/caltrain
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research