The best way to navigate San Francisco is via the city's public transportation system Muni, which operates nearly 100 bus lines, the streetcar system and the city's cable cars. Tickets cost US$2.00 and free transfer tickets are available on most Muni lines, which can be used for two connecting trips within 90 minutes (this excludes BART and the cable car).
If you're up for a hilly challenge, why not cycle? San Francisco is bicycle friendly and many residents do use their bikes as their primary means of transport.
The Embarcadero, Marina Green, and Golden Gate Park are popular cycling areas and many companies rent bikes, such as Blazing Saddles and Bike and Roll.
Taxis can be flagged along downtown streets or booked over the phone. Credit cards are generally accepted, but double-check before getting into the cab. Tipping is customary and drivers expect about 10 to 15 percent.
