Vienna's got a great public transport network. In fact, 53% of Viennese workers travel to work by public transport. Wiener Linien operates five underground lines, 29 tram and 90 bus lines. Fares within the city cover all modes of transit, and are available for various durations, (24 hours, 48 hours, etc). Tickets are available at machines in most underground stations or at tobacconists. You can also buy tickets on the bus or tram (which cost €.10 more than from the machines - €2.30 per ticket). There are no ticket barriers or inspections when entering public transit system, but plainclothes inspectors conduct random ticket checks.