$35,000 billboard in Denver warns against driving while high

DENVER — Denver has received a federal grant to fund a three-dimensional billboard in the city’s downtown that features an image of a mangled car resembling a giant joint as part of a statewide effort to curb marijuana-impaired driving. The Denver Post reports (http://dpo.st/2aDxQp3) that the $35,000 billboard, which is 28 feet tall and glows […]