New River Line

The Hertford East branch line is a railway line in Hertfordshire, England running between Hertford East and Broxbourne. The line follows the route of the Lea Valley, serving intermediate towns and villages. It branches off the West Anglia Main Line north of Broxbourne, and could be seen as part of the Lea Valley lines—a collection of commuter routes into London. It is 5 miles 64 chains (9.33 km) in length.