Vienna offers a modern and efficient public transport network of underground lines (U1, U2, U3, U4, U6), trams, buses and trains. The congress venue has easy access to the underground system (U3 [orange line] - station "Volkstheater", exit "Dr. Karl Renner Ring"). In dependence of the location of your hotel, you can also take the tram (1, 2, 46, 49, D, J) to station "Dr. Karl Renner Ring". You can reach the Hofburg Congress Center within 5 minutes. The bus number 2A, a bus which drives through the city centre, has his station direct on Heldenplatz, 2 minutes from the congress center. Bear in mind, that taking the underground, tram or bus is much faster, safer, and more reliable than catching a taxi. The Vienna public transport network is an easy, fast and cheap mode of transport in Vienna