Blackpool branch lines 2 miles of the M55 also occupy the former trackbed, until the Blackpool North line travels under the motorway at the point where the lines used to merge. The electrification of the Manchester to Blackpool North route was announced in December 2009. The main work of piling etc. to accomplish this commenced in early 2017. Bridgeworks along the route to raise and rebuild those that had insufficient clearance for overhead wires was completed first. Services over both the Blackpool South and Blackpool North branches temporarily ceased on 11 November 2017 to allow the track layout at Blackpool North and Kirkham
M6 motorway to the edge of the Lake District with a short stretch within the national park boundaries and then passes Carlisle on its way to Gretna, before the motorway becomes the A74(M) a few hundred metres (yards) short of the Scottish border. The first section of the motorway and the first motorway in the country was the Preston By-pass. It was built by Tarmac Construction and opened by the Prime Minister Harold Macmillan on 5 December 1958. In January 1959 the Preston by-pass was closed because of rapid surface deterioration over a stretch of "due to water freezing and then thawing".