Bias in Traffic Stops Resulting in Arrest

"Police issued tickets to more than half of all stopped drivers and arrested about 2.4% of drivers. Male drivers were 3 times more likely than female drivers to be arrested, and black drivers were twice as likely as white drivers to be arrested."

Source: 

Durose, Matthew R., Smith, Erica L., and Langan, Patrick A., PhD, "Contacts Between Police and the Public, 2005," (NCJ215243) (Washington, DC: Bureau of Justice Statistics, April 2007), p. 1.
http://www.bjs.gov/content/pub...