Milan has an extensive public transportation system that includes buses, streetcars, subways and suburban trains. The metro network, called Metro, consists of four lines that cover the city center and extend to the suburbs. Buses and streetcars are also efficient and connect the main tourist attractions and neighborhoods. Tickets can be purchased at subway stations, kiosks and kiosks. Milan also offers bike-sharing services and parking for electric vehicles. The transportation system is generally safe, reliable, and easy for tourists to use.