A `fundamental diagram' with observations of speed and flow recorded from 9th of July 2007, 9am, to 10th of July 2007, 10pm, on Line 5 of the Californian Freeway SR57-N, VDS number 1202263. The data were originally measured in intervals of thirty seconds, and then aggregated over intervals of 5 minutes length.
Usage
data(calspeedflow)
Arguments
source
Retrieved from PeMS.
References
Einbeck, J., and Dwyer, J. (2010). Using principal curves to identify different traffic patterns on freeways. Transportmetrica, to appear.