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.
Hertford (UK Parliament constituency) Hertford was the name of a parliamentary constituency in Hertfordshire, which elected Members of Parliament (MPs) from 1298 until 1974. It was represented in the House of Commons of England from 1298 to 1707, then of the House of Commons of Great Britain from 1707 to 1800, and finally in the House of Commons of the Parliament of the United Kingdom from 1801 to 1974.