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.
West Riding and Grimsby Railway The West Riding and Grimsby Railway was a joint railway whose main line linked Wakefield with Doncaster, while a branch line ran between Adwick and Stainforth. The companies involved were the Manchester, Sheffield and Lincolnshire Railway and the Great Northern Railway.