On Tuesday, November 10, 2015 at 2:17:00 AM UTC, Recliner wrote:
But York Road would be well patronised if it did reopen. However, much of
that traffic would simply be displaced from King's Cross, so it wouldn't be
new traffic. Hence there's no real business case that could justify the
high costs and longer Picc journey times.

Here's TfL's feasibility study into reopening York Road:

https://www.whatdotheyknow.com/reque..._and_any_techn

The resulting business case was described as 'extremely poor'.