On Jul 18, 6:12*pm, "Peter Smyth" wrote:
The down line is actually called the Down Slow 2 rather than the Down Goods
and is already used by evening peak Hertford trains that do not stop at
Harringay or Hornsey.

So it is:
http://www.networkrail.co.uk/documen...20Upda te.pdf

...which helpfully lists both:
* Alexandria Palace - Finsbury Park 3rd Up line project : Additional
southbound platforms at Alexandria Palace and Finsbury Park and
conversion of goods line from Alexandria Palace to Finsbury Park to
passenger status (target 2013)
* Alexandria Palace - Finsbury Park Down Slow 2 upgrade : Provide
increased linespeeds (target 2014)