Using the fbb map of the Northern City line, we see the implications of this plan.
The Alexandra Palace branch and the proposed line north of Mill Hill East warrant blogs in their own right and these will follow when the "underground" muse is refreshed and re-activated.
Tomorrow is the first day of 2013. fbb wonders what jewels of transport extravagance or disaster will appear to provoke a whole new batch of blogs. The politics of transport, both bus and rail, are getting very "messy" and rumours continue to circulate abut the future of at least one of the larger bus groups. Interesting times ahead?