Newly-released government papers show Stormont looked at a rail line from Donaghadee to Portpatrick.
(Permalink) Donaghadee Portpatrick Scotland - Northern Ireland Fixed Link Tunnel

Massive Tunnel Boring Machine (TBM) in Warwickshire becomes first on the HS2 project to complete its full journey undergroundThe first bore of the one-mile tunnel under Long Itchington Wood has been dug in seven months.
(Permalink) HS2 Long Itchington Wood TBM Tunnel

Ambitious plans for an underground rail link in Southampton - akin to London's tube network - have been revealed as part of a £45bn transport plan.

If it goes ahead, the scheme would link Southampton Central and the Netley line providing a more direct route, cutting journey times between the city and Portsmouth.
(Permalink) Netley River Itchen Southampton Tunnel Woolston

A 17-mile tunnel connecting the island of Benbecula to Skye and the mainland is being considered by Transport Scotlandas part of a list of potential infrastructure projects that could take shape over the next 20 years.

The proposed link running under the Little Minch would connect Benbecula with Skye, making the mainland a car trip away.
Rarnish on the east coast of Benbecula and Neist Point on Skye ...
(Permalink) Benbecula Skye Tunnel