Northampton and Peterborough Railway

Northampton–Peterborough line
Peterborough East
Nene Junction
Longville Junction
Orton Waterville
Ham Lane
Castor
Wansford
Elton
Oundle
Barnwell
Thorpe
Thrapston Bridge Street
Ringstead and Addington
Irthlingborough
Ditchford
Wellingborough Midland Road
Midland Main Line
Wellingborough London Road
Castle Ashby & Earls Barton
Billing
Northampton St. John's Street
Bridge Street
Northampton Bridge Street
Blisworth

The Northampton and Peterborough Railway was an early railway promoted by the London and Birmingham Railway (L&BR) to run from a junction at Blisworth on the L&BR main line to Northampton and Peterborough, in England. The construction of the line was authorised by Parliament in 1843 and the 47 mile line opened in 1845. The line largely followed the river Nene, and for the economy of construction, it had many level crossings with intersecting roads, rather than bridges. In 1846 the L&BR joined with other companies, together forming the London and North Western Railway (LNWR).

The line ran through largely agricultural terrain, and it never developed as much as later, neighbouring main line railways. It closed to ordinary passenger traffic in 1964, and closed completely in 1972. A part of it has since been reopened as the Nene Valley Railway heritage line.