East Coast Main Line

The East Coast Main Line (ECML) is a 393-mile-long (632 km) electrified railway between London King's Cross and Edinburgh Waverley, via Peterborough, Doncaster, York, Darlington, Durham and Newcastle. It is a key transport artery on the eastern side of Great Britain running broadly parallel to the A1 road. The main line acts as a "spine" for several diverging branches, serving destinations such as Cambridge, Lincoln, Leeds, Hull and Sunderland, all with direct services to London. In addition, a few ECML services extend beyond Edinburgh to serve other Scottish destinations, such as Stirling, Inverness, Dundee and Aberdeen. The line was built during the 1840s by three railway companies: the North British Railway, the North Eastern Railway and the Great Northern Railway. In 1923, the Railways Act 1921 led to their amalgamation to form the London and North Eastern Railway (LNER) and the line became its primary route. The LNER competed with the London, Midland and Scottish Railway (LMS) for long-distance passenger traffic between London and Scotland. The LNER's chief mechanical engineer, Nigel Gresley, designed iconic Pacific steam locomotives including Flying Scotsman and Mallard, the latter of which achieved a world record speed for a steam locomotive, 126 mph (203 km/h) on the Grantham-to-Peterborough section on 3 July 1938. In 1948, the railways were nationalised and operated by British Railways. In the early 1960s, steam was replaced by diesel-electric traction, including the Deltics, and sections of the line were upgraded so that trains could run at speeds of up to 100 mph (160 km/h). With the demand for higher speed, British Rail introduced InterCity 125 high-speed trains between 1976 and 1981. In 1973, a Class 41 (an HST prototype) achieved a top speed of 143 mph (230 km/h) in a test run. In the 1980s, the line was electrified and InterCity 225 trains introduced. These have in turn been largely replaced by Class 800 and Class 801 units. The November 2021…