Bogie’s lightening escape on a rocketing cable car, they average about eight miles an hour, after accidentally killing Agnes Moorehead in ‘Dark Passage:You can still see the holes where the ladder was attached today at the location of the fire escape scene. The link here shows this scene and it’s 1947 images of Russian Hill, Union Square, and the Powell and Market St. cable car turntable.
San Francisco Film Locations Then & Now 