New York Times report:
http://www.nytimes.com/2015/10/25/us/racial-disparity-traffic-stops-driving-black.html
Raw data on traffic stops
http://www.unc.edu/fbaum/traffic.htm
Current NC statute on traffic stops data:
http://www.ncleg.net/EnactedLegislation/Statutes/HTML/BySection/Chapter_143B/GS_143B-903.html
Raleigh Police Department policing policy (.pdf)
Durham police stop data
http://durhamnc.gov/documentcenter/view/4078