Mobile Device Use While Driving: United States and Seven European Countries, 2011
http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6210a1.htm?s_cid=mm6210a1_x
Presents estimates of the prevalence of driver distraction related to mobile device use for the U.S. the United Kingdom, France, Germany, Spain and three other countries. From the Centers for Disease Control and Prevention