Watch HDToday. In 1893, numerous railway companies in Norfolk were merged into the Midland & Great Northern Joint Railway. With over 180 route miles, it was the largest 'joint' railway system in the UK. Sadly, the vast majority of the network closed in 1959. In this feature-length presentation, join railway enthusiast & filmmaker Chris Eden-Green as he explores the remains of the M&GN. Along the way, he interviews enthusiasts, examines the disused remains of the system and visits the North Norfolk, Whitwell & Reepham and Bure Valley Railway's.