Innovations to Improve Nighttime Work Zone Safety

Explore the latest technologies and best practices helping transportation agencies improve safety during overnight highway construction and maintenance operations. Developed by the American Traffic Safety Services Association (ATSSA) with support from the Federal Highway Administration (FHWA), this resource highlights emerging solutions such as queue detection and warning systems, worker presence notification technology, LED lighting and warning devices, sequential light systems, and advanced speed management strategies. Drawing on industry demonstrations, state DOT initiatives, and FHWA’s Every Day Counts (EDC-8) program, the document provides practical guidance for agencies seeking to reduce crashes, enhance driver awareness, and better protect roadway workers in nighttime work zones.

Topics Covered:
Focuses on innovations, technologies, and practices that improve nighttime work zone safety. Key topics include:

• Queue detection and warning systems
• Intelligent Transportation Systems
• Active worker presence warning systems
• LED lighting systems
• Sequential warning light systems
• Speed management and enforcement strategies

Phase: Construction and maintenance operations

Target audience:

• Public agencies
• Highway construction contractors
• Maintenance crews
• Work zone safety professionals

Format:  Electronic files only