Plane (name the airports in the cities on the Danube)
Bus (cities with central busstations)
Passau
Linz
St. Pölten
Vienna
Car (name the highways down the Danube)
A1 – Wien – St. Pölten – Linz – Salzburg
Train (cities with central railway stations)
Boat (name the ports on the Danube)
Bicycle (name the major cycling friendly roads)
Danube Cycle Path (Passau – Linz – Vienna)
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