The Hertford East branch line, and Lea Valley lines, are both in which country?
Lea Valley lines The Lea Valley lines are two commuter lines and two branches in North East London, so named because they run along the Lower Lea Valley of the River Lea. They were part of the Great Eastern Railway, now part of the "Anglia Route" of Network Rail.
Watton-at-Stone railway station Watton-at-Stone railway station serves the village of Watton-at-Stone in Hertfordshire, England. It is on the Hertford Loop branch line between Hertford North and Stevenage and is served by trains operated by Great Northern.