London is the starting point for a number of motorway routes. The M25 is an orbital motorway which enables vehicles to avoid travelling through central London and is one of the busiest motorways in Europe.
The railway was a precursor of parts of the London Underground's Northern line through its 1930s inclusion in the core of an ambitious expansion plan for that line. The EH&LR was to be transferred to the London Underground and electrified. Connections were to be constructed to the Northern line at Highgate and Edgware and to the Northern City Line, with an extension from Edgware to Bushey Heath. Works were stopped by the outbreak of the Second World War and only the work on the sections from Highgate to High Barnet and from Finchley Central to Mill Hill East were completed. The remainder of the line was closed in by British Railways the 1950s and is now disused.
From the mid 1840s until 1857, Barlow was chief engineer for the Midland Railway, after which he set up his on consultancy in London. Between 1862 and 1869 he was the consultant engineer on the Midland Railway's extension from Bedford to London, designing St Pancras station and the 240-foot (73 m) wide cast iron and glass train shed roof over the platforms, the widest unsupported arch in the world at the time.
29 May – In an effort to resolve a dispute with the Licensed Taxi Drivers Association over the operation of Uber in London, Transport for London seeks judgement in the High Court on whether GPS-enabled phones using Uber apps constitute illegal private use "taximeters".
...that the "Mind the gap" announcement is played when trains stop at stations with curved platforms to warn passengers of gaps between the platform edge and the doors? It has become the Underground's best-known catchphrase.