[1] It passes through the Broads on its route to an Area of Outstanding Natural Beauty on the north Norfolk coast.

The line was granted permission in 1864[4] and the first stretch was opened between Norwich and North Walsham in 1874 by the East Norfolk Railway.

[5] The remainder of the line was listed for closure in 1967[6] but survived the proposal after being declined by the Secretary of State for Transport.

After a period of 36 years, the link between the Bittern line and the North Norfolk Railway was reinstated in 2010 with the opening of a new level crossing at Sheringham.

Some trains carry gas condensate from a terminal at North Walsham to Harwich International Port.

[11] The building of the town may also mean a short freight spur being built to transport fuel to fire an on-site power station.