The RWC will take place at the Volkshaus Zurich, at Stauffacherstrasse 60, 8004 Zurich. Apart from the auditorium ("Theatersaal"), the building also hosts a restaurant and a Hammam, make sure you take the right door.
If you come by public transport, the closest stops are Helvetiaplatz and Stauffacher. Check ZVV for connections. For two or more trips a day, a 24h ticket (CHF 8.80) is the best option. Public transport tickets are valid in all trains, trams and buses within the city.
Please note that there is no free parking at the venue.