<p>To ask the Secretary of State for Transport pursuant to the answer of 5 December 2013, Official Report, column 771W, on High Speed 2 Railway Line, which individual upgrades HS2 Ltd believes are required to the existing West Coast Main Line between Crewe and Wigan to enable classic compatible services to Preston and beyond without the Winterbottom to Bamfurlong spur; and what the cost estimate of each individual upgrade is.</p>