April 9: Optotraffic is currently deploying the nation’s most extensive portable speed camera system. Located in Prince George’s County, Maryland, the rollout is scheduled over a 12 month period. When complete, it will include 72 portable speed camera units protecting several hundred schools in the County. The end of March marked the half-way mark in deployment and 36 cameras were up and operating. To date, they have protected students at more than 70 schools.