I was thinking about this last night - obviously transmission of electrickery is one of the problems when the rails freeze..
Presumably in countries like Norway (where they also use electric trains, I think, on the line between the airport & Oslo) they must have found an answer to this.. I wonder what it is?
Heard something on the news recently about installation of heated third rails.... about time!
Presumably in places like Scandinavia they must already have these, or are they mostly overhead power?
Its only a trial, in very short section of track. Other countries had sense and have over-head cables. Cheap-ass UK government took the cheapo-crapo option of 3rd rail...
Sorry Tunnie, but that is not true.
The 3rd rail electrification was started by the various private companies of the southern system before the January 1st 1923 grouping into the Southern Railway. At that time the Southern inherited 74 route miles, 242 miles of track, that had been electrified. The London, Brighton & South Coast Railway were the first to be electrified, but with a proposal for a single phase 6,700 volt ac overhead system in 1904, completed by 1909 by the German Berlin based company AEG. However the other constituent companies of the future Southern Railway all opted for third rail dc conduction which they already had experienced from the development of the London Underground from 1898. That was the system that spread to eventually form the total* electricfication of the Southern Railway, which by Nationalisation on 1st January 1948 was the largest electrified urban railway, run by a single company, in the World.
In its day it was very advanced and ground breaking, being the UK's No.1 electrified system. Unfortunately upon Nationalisation the investment that should have been forthcoming was not available from a government leading a country £3 billion in debt!
Now of course, as much as there is a very welcome renewal of new railway investment, it would take a huge amount of funds to convert the Southeastern and Southern railways from 3rd rail to overhead conductivity.
*EDIT: With the exception of the main ex-London & South Western Railway lines that were not electrified until 1966/67 by BR.