Metro san francisco map. It transforms data from public sources such as openstreetmap nasa and usgs into neatly organized cad files. Make your way around san francisco with ease on the world famous cable cars historic streetcars muni metro and diesel hybrid and electric trolley buses operated by the muni system. San francisco is made up of 49 square miles of long boulevards curvy streets hidden alleyways and lots of hills. Architects and urban planners use cadmapper to save hours of routine drawing.