University of Southern Denmark the southern part of Denmark: campus Odense on the island of Funen, campus Slagelse and campus Copenhagen on the island of Zealand, as well as campus Kolding, campus Esbjerg and campus Sønderborg (campus named Alsion) on the Jutland peninsula. The physical buildings of SDU cover an area of 272,554 m (2007), a figure that has increased from 181,450 m in 1999 when the university merger was effectuated. The university's campus in Odense is considered the main campus of the University of Southern Denmark, both because of its relative size and because the central administration of the university is situated there.
Denmark electrified suburban railway network, the S-train. In the four largest cities – Copenhagen, Aarhus, Odense, Aalborg – light rail systems are planned to be in operation around 2020. Cycling in Denmark is a very common form of transport, particularly for the young and for city dwellers. With a network of bicycle routes extending more than 12,000 km and an estimated 7,000 km of segregated dedicated bicycle paths and lanes, Denmark has a solid bicycle infrastructure. Private vehicles are increasingly used as a means of transport. Because of the high registration tax (150%), VAT (25%), and one of the world's highest