Suspension bridge construct special towers, as the buildings can anchor the cables. Cable suspension may also be augmented by the inherent stiffness of a structure that has much in common with a tubular bridge. Typical suspension bridges are constructed using a sequence generally described as follows. Depending on length and size, construction may take anywhere between a year and a half (construction on the original Tacoma Narrows Bridge took only 19 months) up to as long as a decade (the Akashi-Kaikyō Bridge's construction began in May 1986 and was opened in May 1998 – a total of twelve years). Suspension bridges are
Dresden Suspension Railway the other being the much more conventional Dresden Cable Car. Both lines are operated by the Dresdner Verkehrsbetriebe AG, who also operate the city's tram, bus and ferry networks. Specific General Dresden Suspension Railway The Dresden Suspension Railway () is one of the oldest suspension railways — a kind of hanging monorail — in the world, having opened in 1901. It is situated in Dresden, Germany, and connects the districts of Loschwitz and Oberloschwitz (Rochwitz side). The line is long and is supported on 33 pillars. It was designed by Eugen Langen, who earlier designed the Wuppertal Suspension Railway, a