Get around town with great public transportation in San Diego! San Diego visitors needing public transportation can hop on the trolley, train, bus, taxi, ferry, or even a pedi-cab. Car rental continues to be the most popular option for exploring San Diego neighborhoods. Limousines and party buses are plentiful too. But if you’re looking to save a buck or be eco-friendly, plan to make the most of San Diego’s convenient and easy public transport options.