365537 passing through Runcton Holme, Norfolk
|Locale||East of England|
|Operator(s)||First Capital Connect
|Rolling stock||Class 317
Class 365 "Networker"
Class 379 "Electrostar"
|No. of tracks||One - Two|
|Track gauge||1,435 mm (4 ft 8 1⁄2 in) standard gauge|
|Electrification||25 kV AC OHLE|
|Operating speed||90 mph (145 km/h) maximum|
The Fen Line is a railway in the United Kingdom that runs between the cities of Cambridge, Cambridgeshire and King's Lynn, Norfolk; the line is so called because it runs through The Fens. The line is part of the Network Rail Strategic Route 5 and comprises SRS 05.06 and part of 05.05. It is classified as a secondary line except between Cambridge and Ely which is classified as a London and South East commuter line.
First Capital Connect 
First Capital Connect operate through services to London King's Cross (via the Cambridge Line). These services operate non-stop between London and Cambridge for most of the day, as part of the half-hourly "Cambridge Express" service. One train an hour is extended beyond Cambridge to serve most or all stations to King's Lynn.
- The Fenman (365 518) - previously a "named train" that used to operate on this line, consisting of locomotive-hauled InterCity (British Rail) trains;
- Robert Stripe Passengers' Champion (365 527) was named on 10 March 2006, after the 21st Anniversary of the Fen Line Users Association;
- Nelson's County (365 531) had a special livery applied to the outside which shows various scenes of West Norfolk.
Greater Anglia 
Greater Anglia operate some direct services from London Liverpool Street to King's Lynn (via the West Anglia Main Line). These services operate only during the morning and evening peaks, and use Class 317 and Class 379 units. The section between Cambridge and Ely is also used non-stop by CrossCountry services to Stansted Airport, and by Greater Anglia services between Cambridge and Norwich (via the Breckland Line).
The line is double tracked except between Littleport and Downham Market and between Watlington and King's Lynn where it is bi-directionally signalled single track. In the Down direction, the entrance to the single line sections is protected additionally by SPAD indicators.
Signal boxes controlling the line are;
- Cambridge power box
- Downham Market
- Magdalen Road (Watlington)
- King's Lynn
- one semaphore signal at King's Lynn which controls entry to the One Train In Section freight-only line from King's Lynn to Middleton Towers
- two semaphore shunt signals at Downham Market station
Traction current for electric trains is provided by 25 kV AC OHLE controlled by Romford Electrical Control Room. There are Neutral Sections at Shepreth Branch junction, Milton Fen and just north of Littleport bypass. The line has a loading gauge of W8 except for the section connecting the Ipswich to Ely Line to the Ely to Peterborough Line which is W10.
Passenger volume 
These are the statistics of the numbers of passengers on the line from the year beginning April 2002 to the year beginning April 2010. Comparing each station between the first and last years, King's Lynn has increased by 38%, Watlington by 78%, Downham Market by 64%, Littleport by 89%, Ely by 67%, Waterbeach by 71% and Cambridge by 51%.
The annual passenger usage is based on sales of tickets in stated financial years from Office of Rail Regulation statistics. The statistics are for passengers arriving and departing from each station and cover twelve month periods that start in April. Please note that methodology may vary year on year.
- Rail Magazine. 673 Page 37. June 29 - July 12 2011.
- Network Rail (August 2006). East Anglia Route Sectional Appendix. Module EA. p. 109 LOR EA1162 Seq007. NR30018/02.
- "Route 5 - West Anglia". Network Rail. Retrieved 2009-05-22.
- Network Rail (August 2006). East Anglia Route Sectional Appendix. Module EA. p. 110 LOR EA1270 Seq001. NR30018/02.
- Network Rail (August 2006). East Anglia Route Sectional Appendix. Module EA. p. 110 LOR EA1161 Seq008. NR30018/02.
- "Station Usage". Rail Statistics. Office of Rail Regulation. Retrieved 3rd January 2013.
Media related to Fen Line at Wikimedia Commons