WHEAT RIDGE, Colo. — It's been more than a year since Wheat Ridge expanded its use of automated traffic enforcement, and police say speed cameras have already started changing driver behavior. Denver7 Wheat Ridge Police Department public information officer Alex RoseThe camera outside Wheat Ridge High School has led to a 75% reduction in citations since it was installed. Two of the four cameras Wheat Ridge has are permanent, and two are mobile trailers police can move to areas with speeding concerns. Denver7 Wheat Ridge speed camera locations“I think it’ll help, but just got to be careful driving through there. Denver7 Cost of violationsSpeed camera citations are $40, while red-light violations are $75, with no points on your license.