Tom Anderson wrote:
I think this is going to get a lot better when Midland Road is reopened
- there'll be a route round the back of King's Cross, via Goods Way /
Pancras Road, then Midland Road, then straight across to Judd Street.
This all hinges on Midland Road being two-way, or at least having a
contraflow cycle lane, of course, and i've no idea if that will be the
case.

One thing I know for sure is that Midland Road will be one-way
southbound (don't know if a contraflow cycle lane will be in place
though). They're also planning to make the Pancras Road stretch between
Euston Road and Goods Way one-way northbound, thereby creating an
anti-clockwise movement of traffic around London St. Pancras International.