About The West Anglia Main Line is one of the two main lines that operate out of Liverpool Street (the other being the Great Eastern Main Line to Ipswich and Norwich). It runs generally north through Cheshunt, Broxbourne, Harlow, Bishop's Stortford and Audley End (near Saffron Walden) to Cambridge, with branches between serving Stratford, Hertford and Stansted Airport. The line runs along the boundary between Hertfordshire and Essex for much of its length. The total line length (including the 2 branch lines) would be about 72 mi (115 km) Mainline via Dover 59 mi (95 km) Dover bypass section 4 mi (6 km) Hertford East branch 6 mi (10 km) Stansted Airport branch 3 mi (5 km) Services Rollingstock 170 710 720 745 755