http://www.networkrail.co.uk/long-term-planning-process/wessex-route-study-draft-for-consultation.pdf
Page 141 onwards relate to the Salisbury line.
Electrification, double track from Pinhoe to Axminster and the 3rd platform at Yeovil Junction. This is just one of many options. I wonder if double track will go under the M5 near Pinhoe.
Now it is back to the real world.