Traffic Control and Equipment At A-1 Traffic Control and Barricade we have been providing top traffic control since 1981. Located off Highway 6 and 24 Silt A-1 Traffic control is a provider of many traffic control needs and provides jobs with certified traffic control plans. some features include: * Cones * Barricades * Traffic Signs * Flagging Call the true experienced professionals to help with all you traffic control and equipment needs, and take the guess work out of planning your next big project. Please call today.