Berlin has an extensive and reliable public transport system, consisting of U-Bahn (subway), S-Bahn (urban trains), buses, and trams. The city is divided into fare zones A, B, and C, and ticket options range from single rides to monthly subscriptions. Employees often receive a subsidized Jobticket through their institution. Berlin is also a bike-friendly city with dedicated lanes and bike-sharing services, and many residents live car-free.