Arriva Trains Wales  - Train company which runs the all-Wales franchise

Campaign for Better Transport - National campaigning and lobbying group

Department for Transport - Government site with rail strategy and many transport links

Great Western Railway  - Train company which provides the mainline service from Swansea

National Rail Enquiries  - Obtain train times, fares and buy tickets

Network Rail  - Responsible for Britain's rail network

Office of Rail Regulation  - Responsible for the economic regulation of the railways in Great Britain

Transport Focus - (formerly Passenger Focus) Independent national rail consumer watchdog

Pembrokeshire Greenways  - Promoting access to the countryside

Rail Accident Investigation Branch (RAIB) - Report into Whitland Accident (December 2011)