Swedes uses their public transportation frequently. There are various types of coupons accordning to each city's bus, metro or tram system. These are usually bought in kiosks or information centers.
Stockholm has an extensive network of underground trains (T-bana), commuter trains and buses. Vintage trams operate from the city centre to Djurgården island during the summer. Underground station entrances are marked with a blue T on a white backgrund.
In Gothenburg you can buy The Gothenburg City Card (Göteborgspasset) offers free transport on buses, trams and archipelago boat trips, free entry to Gothenburg museums and the Liseberg amusement park, as well as a free boat trip to Elfsborg fortress and free parking in borough spaces. There are also special offers for shopping, special events, entertainment, restaurants and sights.
Skånetrafiken is the name of the public transportation system in Skåne. It includes buses and trains in all of Skåne as well as trains to Denmark and buses and trains across the county lines all the way to Göteborg and Alvesta. If you want to discover the whole Öresund region i.e both parts of Denmark and Skåne, you can buy Skånetrafiken’s “Öresund rundt” card. This card is valid on Skånetrafiken’s Öresundståg, Pågatåg, city buses and regional buses on the Swedish side of the Sound. In Denmark it is valid on the coastal line with Öresundståg, the Copenhagen Metro and Movia’s buses in Copenhagen, and on Scandline’s ferries between Helsingborg and Helsingør.