Rail Electrification Mr. Barry Jones To ask the Secretary of State for Transport what is his estimate of the proportion of (a) Wales's and (b) Britain's railway network which is electrified; and if he will make a statement. Mr. Freeman There are no electrified lines in Wales; as at 31 March 1991, 30 per cent. of British Rail's network was electrified or in the process of being electrified as a result of projects approved or under construction.