Islington although the building still stands. Angel tube station on Islington High Street has the longest escalator on the London Underground system, at 318 steps. In 2006 a Norwegian man made headlines after skiing down the escalator at the station. Islington features extensively in modern English literature and culture: The area is well served by bus routes, with a major bus interchange located near Angel tube station. Red route and residents' parking restrictions apply throughout the area. The Civil Aviation Authority has its head office in the CAA House in Islington. Grade II* English Heritage list three Grade II* listed buildings
Southgate tube station platforms are labelled Westbound and Eastbound. However, the tunnels run more or less north-east to south-west at Southgate, so eastbound is north-eastbound and westbound is south-eastbound. In the early 1980s, moving picture advertising was tested in the tunnels south of the station. The pictures were of a child on a beach turning to face the camera. Southgate is the northernmost station in tunnels on the London Underground network. London Buses routes 121, 125, 298, 299, 382, W6, W9, 616, 628, 688 and 699 and night route N91 serve the station. Southgate tube station Southgate is a London Underground Piccadilly line