Dresden is a major German city and capital of Saxony. It is a road, train and air transport hub in eastern Germany. Local and commuter transport services grant accessibility in the Dresden agglomeration. The city has a dense network of tram and bus lines. Dresden has two major train stations, an international airport and an inner harbour on the Elbe river waterway. Autobahns grant access to all cardinal directions. Dresden is the junction of two class-A European routes. Dresden is also an international centre of traffic and transport science.