While I agree with R J Ardern's letter regarding the replacement of the rolling stock on inter-city rail routes in Scotland (April 21), I fear your correspondent is whistling in the dark with calls for increased capacity on single-line tracks in the Highlands. These calls have been ongoing since 1951 when the Scottish Council Development & Industry produced a report on Highland transport costs which called for the same thing.
While I agree with R J Ardern's letter regarding the replacement of the rolling stock on inter-city rail routes in Scotland (April 21), I fear your correspondent is whistling in the dark with calls for increased capacity on single-line tracks in the Highlands.
