The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Admin Only (9 members)
- Article List Templates (2 members)
- Article stubs (36 members)
- Articles with hatnote templates targeting a nonexistent page (2 members)
- Badges (2 members)
- Books (0 members)
- Bridges (1 member)
- Candidates for deletion (1 member)
- Carriages (3 members)
- Companies (4 members)
- Design templates (1 member)
- Disambiguations (3 members)
- Documents (1 member)
- Dovedale Railway Wiki (1 member)
- Draft Articles (3 members)
- External Systems (1 member)
- Features (12 members)
- Forms (6 members)
- General Information (3 members)
- General wiki templates (2 members)
- Graph, chart, and plot templates (1 member)
- Guides (13 members)
- Hidden categories (1 member)
- Humanities (1 member)
- Image license templates (11 members)
- Imported vocabulary (8 members)
- InfoboxNeue Templates (12 members)
- Infobox templates (1 member)
- Landmarks (15 members)
- Level Crossings (22 members)
- Lists (9 members)
- Literature (1 member)
- Literature by medium (1 member)
- Locomotives (3 members)
- Lua-based templates (1 member)
- Main page templates (4 members)
- Manual templates (1 member)
- Manufactured goods (1 member)
- Mathematical function templates (1 member)
- Media (1 member)
- Media - Image (1 member)
- Media - Image - Rolling Stock (3 members)
- Media formats (1 member)
- Module (0 members)
- Module documentation (0 members)
- Module documentation pages (1 member)
- Modules required by modules (0 members)
- Modules subject to page protection (1 member)
- Modules that add a tracking category (1 member)
- Navplate Templates (10 members)