[PAR] [TLE] Northern and Eastern Railway [SEP] The Northern & Eastern Railway (N&ER) was the British railway company that built what is now the West Anglia Main Line, one of the two main lines of the Great Eastern Railway, the other being the Liverpool Street -to-Norwich line built by the Eastern Counties and Eastern Union Railways.  The N&ER and Eastern Counties Railway merged in 1844. [PAR] [TLE] West Anglia Main Line [SEP] The West Anglia Main Line is one of the two main lines from , the other being the Great Eastern Main Line to Ipswich and Norwich.  It runs generally north through Cheshunt, Broxbourne, Harlow, Bishop's Stortford and (near Saffron Walden) to Cambridge, with branches serving Stratford, Hertford and Stansted Airport.  The line runs along the boundary between Hertfordshire and Essex for much of its length.
[PAR] [TLE] Northern and Eastern Railway [ SEP ] The Northern & Eastern Railway ( N&ER ) was the British railway company that built what is now the West Anglia Main Line , one of the two main lines of the Great Eastern Railway , the other being the Liverpool Street -to - Norwich line built by the Eastern Counties and Eastern Union Railways . The N&ER and Eastern Counties Railway merged in 1844 . [PAR] [TLE] West Anglia Main Line [ SEP ] The West Anglia Main Line is one of the two main lines from , the other being the Great Eastern Main Line to Ipswich and Norwich . It runs generally north through Cheshunt , Broxbourne , Harlow , Bishop 's Stortford and ( near Saffron Walden ) to Cambridge , with branches serving Stratford , Hertford and Stansted Airport . The line runs along the boundary between Hertfordshire and Essex for much of its length .
What company built a railway line that runs along the boundary between Hertfordshire and Essex for much of its length?
What company built a railway line that runs along the boundary between Hertfordshire and Essex for much of its length ?
The Northern & Eastern Railway
The Northern & Eastern Railway