The station at Kings Lynn in 2004 had passenger trains from London Kings Cross via Cambridge and Ely. The line having  been electrified at 25 kV AC  with  overhead wires.  In 2004 West Anglia Great Northern (WAGN) ran these trains using class 365s on most of its trains.

The town of Kings Lynn is to north of Cambridge and is at the mouth of the River Ouse as it enters the Wash.  Kings Lynn is a port. There was a lot of rail traffic, with railway lines down to the docks but these has now stopped. 

Kings Lynn railway station is on what was the Great Eastern line from Cambridge This line is now called the Fen Line. It was electrified at 25 kV AC when the line from Cambridge to Ely was electrified with overhead wires.

There are three other stations along the line between Kings Lynn and Ely still open they are:-

Watlington station. This station was called Magdalen Road befor it closed. The station was reopened in 1975 as Magdalen Road. Then in 1989 it was renamed back to its original title of Watlington which it was called when it opened.

Downham Market. This is the biggest small town on the line

Littleport. This is a large village

There was a railway line to Hunstanton from Kings Lynn which also used this Great Eastern station with many trains on summer Saturdays and Sunday but  few passengers in winter. There was also a line to Derham which is now closed apart from the first few miles to Middleton Towers that is freight only. Trains of sand from there reverse in what is left of the sidings at Kings Lynn most days of the working week with class 66s and hopper wagons in 2015.

The M&GN had its own station on the outskirts of Kings Lynn called South Lynn which closed in 1959 when the M&GN did. There were passenger trains that ran between between the two Kings Lynn stations