San Francisco Mid-Block Points

This dataset is used for geomasking (e.g. removing an exact address and replacing it with a nearby anonymized point) and other anonymization tasks. B. HOW THE DATASET IS CREATED This dataset was created by calculating the midpoint of each the street segment in the city (see Streets - Active and Retired ) then returning the latitude and longitude of that midpoint.

A street segment is a line between two intersections. Street midpoints are calculated for each side of the block. C. UPDATE PROCESS This dataset is updated weekly.