The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- All articles to be expanded (1 member)
- Article management templates (4 members)
- Article stubs (89 members)
- Articles to be expanded (1 member)
- Browse (4 members)
- Buses (7 members)
- Candidates for deletion (0 members)
- Candidates for speedy deletion (0 members)
- Category templates (4 members)
- Community (5 members)
- Contactless smartcards (1 member)
- Content (1 member)
- Copyright (1 member)
- Disambiguations (0 members)
- Fare collection systems (1 member)
- Forums (6 members)
- General wiki templates (33 members)
- Help (6 members)
- Help desk (2 members)
- Hidden categories (1 member)
- Image wiki templates (9 members)
- Images (6 members)
- Infobox templates (8 members)
- LRVs (2 members)
- Organisation (0 members)
- Organization (8 members)
- Pages proposed for deletion (0 members)
- Pages with broken file links (0 members)
- Policy (3 members)
- Public transport (1 member)
- Public transport in California (1 member)
- Public transportation in San Diego County, California (1 member)
- Site administration (4 members)
- Site maintenance (4 members)
- Template documentation (58 members)
- Templates (7 members)
- Videos (2 members)
- Watercooler (2 members)