Docklands Light Railway
- Official site for East London's light rail system.
- http://www.tfl.gov.uk/modalpages/2632.aspx

Network Rail
- Owns much of Britain's railway infrastructure, including track, signalling and stations. Contains timetable information, press releases and structure detail.
- http://www.networkrail.co.uk/

c2c
- Train operating company from Fenchurch Street, London to Shoeburyness. Timetables, routes and updates.
- http://www.c2c-online.co.uk/

Superlink
- An alternative proposal for a CrossRail-type scheme to run mainline trains through the heart of London.
- http://www.superlinklondon.pwp.blueyonder.co.uk/

Transport for London: London Rail
- Agency is proposing improvements to rail services in the greater London area, including line extensions and more frequent trains.
- http://www.tfl.gov.uk/rail/

London's Future Transport [Yahoo! Groups]
- Discussion on future transport developments in and around London.
- http://groups.yahoo.com/group/londonsfuturetransport/

London-Rail [Yahoo! Groups]
- Discussion and sightings on London's mainline railways
- http://groups.yahoo.com/group/london-rail/

CrossRail
- The official site for the cross-London railway project, featuring background on the scheme and latest news stories.
- http://www.crossrail.co.uk

LondonRailways.Net
- A compact site with an assortment of railway and Underground facts.
- http://www.londonrailways.net