What happens next?

How to travel down nob hill on the san francisco cable cars 
Recognize the route system of the trolley in san francisco. 
The cable cars (or trolleys) run on three routes. Two of these routes begin at the powell & market turntable; they both run over nob hill.
One ends at the turntable corner of hyde and jefferson (powell-hyde), and the other ends at the turntable corner of mason and bay streets. Meanwhile, the third offers stops at various locations along california street, up and down nob hill.