Associated Railways, Gauge, Standard
This page lists Standard Gauge railway company names (proposed and Actual) that have been associated with the area. See individual pages, where they exist, for more information
- Aberystwyth & Welsh Coast Railway
- Arriva Trains Wales
- Bala And Festiniog Railway
- Bettws-y-Coed & Festiniog Railway
- British Rail
- Cambrian Railways
- Carnarvonshire Railway*
- Great Western Railway
- London & North Western Railway
- Network Rail
Unbuilt lines, various gauges
- Beddgelert Railway
- Beddgelert & Rhyd-ddu Railway
- Merionethshire Railway
- Portmadoc And Beddgelert Railway
- Portmadoc, Beddgelert & Rhyd-Ddu Light Railway
- Portmadoc, Beddgelert & Snowdon Light Railway
- Rhyd-Ddu Rack Railway