This sounds like kite-flying from the dear old Grauniad, part of the Derby campaign. Take an idea that has been floated for a couple of years and build it up into a "possibility" which they hope will become a rod to beat the Governments back. All the article says really is that a feasibility study has been mooted - the rest is fantasy - and I doubt such a study would report true value for money. I would guess that a huge proportion of the Voyagers' mileage is away from wires, so that adds costs of transporting unused equipment for relatively little gain. Extra coaches, though less glamorous, would be better,
Sits on the front of the Sunday Times Business section too, the esteemed left wing paper that the dark lords empire owns.[/sarcasm]
57 carriages would do XC. The irony is that it misses Virgin's, and the MML 222's. Two squandered opportunities if I was to ever see some.
I hope the DfT number crunchers work harder or they'll get a D for effort from me.
