Angel tube station 17 September 1992. Because of the distance between the new entrance and the platforms, and their depth, two flights of escalators were required, aligned approximately at a right angle. The station's ticket hall has a sculpture of an Angel by Kevin Boys. Angel is one of the number of stations to have only escalator access to the platforms. With a vertical rise of and a length of , Angel station has the longest escalators on the Underground, and the second longest in the United Kingdom (after one at Heathrow Terminal 5). The station was refurbished (as of 2015) and work
North End tube station on 22 June 1907, running through the abandoned station. The uncompleted platforms and lower passageways remain, with access to the tracks. During World War II these were used to store secret archives with access only available from the cabs of passing service trains. During the Cold War a shaft was dug down to the lower passageways and the abandoned station became part of the London Underground's civil defence preparations. As the tunnels were the deepest in the network it was an ideal site. The role of the control centre was to manage the emergency floodgates placed throughout the tube network