Moderator note: Split from https://www.railforums.co.uk/thread...extension-of-3rd-rail-electrification.205175/
Hurst Green to Uckfield is a diesel island and should be 3rd rail or battery if that is suitable. Ashford to Hastings could be either 3rd rail or overhead whichever is easiest/cheapest
Basingstoke to Salisbury is outside the existing 3rd rail area and should be OHLE as that is the future with Basingstoke to Reading done at the same time
Hurst Green to Uckfield is a diesel island and should be 3rd rail or battery if that is suitable. Ashford to Hastings could be either 3rd rail or overhead whichever is easiest/cheapest
Basingstoke to Salisbury is outside the existing 3rd rail area and should be OHLE as that is the future with Basingstoke to Reading done at the same time
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