Technical Brief on Connected Work Zones

Learn how connected work zone technologies are transforming roadway construction and maintenance operations through real-time data sharing, connected devices, and enhanced traveler communications. Developed by the American Traffic Safety Services Association (ATSSA) with support from the Federal Highway Administration (FHWA), this technical brief explores the evolution of connected work zones, including smart arrow boards, connected location markers, automated worker presence systems, digital speed management tools, and interoperability standards such as the Work Zone Data Exchange (WZDx). The document highlights implementation strategies, lessons learned from transportation agencies, and practical guidance for deploying connected technologies that improve safety, mobility, operational awareness, and data-driven decision-making.

Topics Covered:

Focuses on connected work zone technologies, data standards, and implementation practices. Key topics include:

• Connected work zone concepts and architecture
• Work Zone Data Exchange (WZDx) and interoperability standards
• Smart arrow boards and connected traffic control devices
• Real-time traveler information and in-vehicle alerts
• Automated worker presence and activity reporting
• Speed management and connected enforcement technologies
• Performance measurement and work zone analytics
• Agency deployment strategies and lessons learned

Phase: Construction and maintenance operations

Target Audience:

• State and local transportation agencies
• Highway construction contractors
• Traffic operations and ITS professionals
• Work zone safety practitioners
• Transportation technology and data managers

Format: Electronic files only