Angel, London main economic activity of the area is retail. Secondary to this are the evening economy, leisure and education. The N1 Centre, a mixture of shops, leisure and entertainment facilities including a cinema and the O2 Academy Islington nightclub, and the City and Islington College are large examples of these categories. Towards the south is the busy Angel intersection, a road junction between the Inner Ring Road consisting of Pentonville Road to the west and City Road to the east, Islington High Street to the north, Goswell Road to the southeast and St John Street to the south. On Islington High
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