arabiandisco wrote:But as it will require Southern (and their successors) to retain a DMU fleet for the Ashford - Hastings line, the only conclusion is not to do it. You might be able to move 5 of the units, but they'll still need at least 4 (I'm guessing at numbers here) for the Ashford - Hastings line, and there will be no significant saving in operational costs because you'll still need just as much in the way of maintenance facilities etc.
Ok I agree with you here
arabiandisco wrote:
Neither line really justifies electrification, apart from on the basis that by doing both you can do away with diesels on the SC & SE sections of the southern, with the associated rolling stock savings.
I disagree here though, ok so it doesn't "need" electrifying, but if the line is reinstated, an idea which its beginning to look more and more realistic, (for those who don't know it went before the priminister on the 25th of june), but anyway staying on topic, if this line was rebuilt and electrified it could run a far better service seeing as the class 377s are capable of accelerating quicker up to line speed than the turbostars are and when taking into account the length of the single line section, this looks an awful lot more efficient way of running a service across a singled section? and also think about it if a service was to run London to Brighton via Uckfield, it wouldn't seem right to run a diesel service if the large majority of the route was electrified, for example (just a rough geuss here) where a turbostar from london would be at lewes an electrostar would have arrived at brighton meaning another service can already be traversing the line which means another service can come back down more frequently
(Hope that makes sense

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For those who are interested here are some details from the Wealden line website, which describe the talks about the line which took place on June 25th
"During Prime Minister's Questions yesterday, Lib Dem Shadow Secretary of State for Transport, Norman Baker MP, asked Gordon Brown: "As a Scottish MP, the Prime Minister will have noticed the strong success of the recently reopened railway between Stirling and Alloa, where passenger numbers are currently three times greater than the projected figure for 2011, and the reopened line to Ebbw Vale in Wales is similarly a success story. If reopening lines in Scotland and Wales makes such good economic sense, why has the Department for Transport ruled out, despite the strong social and environmental case, re-opening lines in England, such as the line from Lewes to Uckfield?"
However, in his response the Prime Minister avoided any mention of reopening English lines and simply referred to general investment plans for the next five years which he claimed would provide 1,300 new carriages for use across the UK.
Expressing his disappointment with Mr Brown's answer, Campaign Director Brian Hart noted that, "Lewes-Uckfield is the first of the English rail schemes to be considered for reopening by Network Rail, as well as the first to be subjected to detailed civil engineering study. It is also among the 'Top Four' already identified by the Conservatives as contenders for reopening and, in the case of Lewes-Uckfield, has potential to ease the capacity crisis in the south."
He added: "On 18 July we expect to know the result and I am 100% confident that by doing this investigation Network Rail has discovered this project is both simple and feasible with no significant obstacles. Quite honestly, if Network Rail, with all its huge resources and technical capabilities, cannot come up with a business case to reopen a seven-mile gap between two of its stations then it's a sorry day for England. Everyone knows Lewes-Uckfield gives us a new main line largely independent of the jammed-up Brighton Line and if this isn't worthwhile, then no other English scheme will ever get started."
As Lord Teviot said in a Lords debate in 1974, when the line closed in 1969 it was carrying 1,000 passengers a day, far more even at that time than the predicted 244,000 a year by 2011 for the Stirling - Alloa link.
Brian Hart concluded: "Because Network Rail has consistently underestimated growth on all its reopenings in Scotland and Wales, we hope they will get it right this time. A huge population expansion has occurred all along the East Sussex coast and in towns along the Uckfield line as far as East Croydon. Although Network Rail reckons Lewes-Uckfield will cost about the same as Bathgate-Airdrie (£108m) the potential for traffic growth and return is immensely higher."