Lot of travellers chooses the facility of public transportation as a means of getting around the city. The public transport system is run by Lokaltrafik and includes a train, subway and bus system. It is suggested that travellers during their Stockholm holidays should consider buying the Stockholm Card that offers limitless travel in all the three modes and makes local travelling an inexpensive and comfortable journey. The fastest way of getting around is the subway system, also called Metro, is considered to be clean and efficient. Apart from this, travellers can travel in the underground mode of transport. Trams also known as trolley system are easily available with the preferred tram being Tram 7. This tram runs from Norrmalmstorg to Waldemarsudde and travels around a number of popular tourist attractions. You can also travel by boat, especially the ferry between Slussen and Djurgården, a big island with Skansen and the amusement park Gröna Lund and several other historical museums.