A day of Muni, according to NextBusi, 2010
The day is the 24 hours from noon, April 13 to noon, April 14, 2010.
Black is less than 7 mph.
Red is less than 19 mph.
Blue is less than 43 mph.
Green is above 43 mph.
Data from NextBus.
Here Be Dragons: Mapping Information and Imagination
October 21, 2011 – January 14, 2012
Intersection for the Arts
San Francisco, CA