On 27 Nov, 15:38, Tom Anderson wrote:
Before that bit was built, where did the line go? Terminate at South
Tottenham? Now-lost curve up the West Anglia? Existing curve down the West
Anglia? Up via Harringay to THE NORTH, with the bit to South Tottenham
being added later?

Missing north curve to Tottenham Hale.

Something that would be truly awesome would be a historical map of all
London's railways,

On the internet, no one knows you're cribbing everything from the
London Railway Atlas:
http://www.amazon.co.uk/London-Railw.../dp/0711031371

Here's the relevant section:
http://tinyurl.com/yrhyqt

U

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A blog about transport projects in London