Field Guide for the Use and Placement of Shadow Vehicles in Work Zones

This field guide provides guidelines on the use of shadow vehicles in highway work zones. It summarizes information from various sources when considering placement of shadow vehicles in advance of workers, equipment, or work vehicles. The guide is designed for use by traffic control supervisors and other contractor field staff and provides easy access to information from multiple sources. It is also helpful for highway agency staff in developing procedures and standards for shadow vehicle use.