In Brazilian cities, automated speed and red light enforcement lowered crash frequency by 14 percent, decreased crash injuries by 19 to 98 percent, and fatalities 7 to 83 percent.(2001)
Adaptive signal control deployed in Madrid, Spain, decreased travel time by 5 percent, reduced delay by 19 percent and the number of stops by 10 percent. (1999)
Adaptive signal control in Sao Paulo, Brazil, increased speed by 25 percent and reduced delay by 14 percent.(1999)
Brazil