The Hertford East branch line, and Lea Valley lines, are both in which country?
Hertford East branch line The Hertford East branch line is a railway line in Hertfordshire in the United Kingdom, running between Hertford 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.
Stamford Hill railway station Stamford Hill is a London Overground station on the Lea Valley Lines, serving the Stamford Hill area which straddles the boroughs of Hackney and the Haringey in north east London. It is 5 mi down-line from London Liverpool Street and is situated between and . Its three-letter station code is SMH and it is in Travelcard zone 3.