Night Work/Off Peak Work
High traffic volumes on many highways make it difficult to perform work zone operations in or near travel lanes during much of the day because of the disruption in traffic flow and the risk this introduces for the workers and the traveling public. As a result of these concerns, all kinds of highway work are increasingly scheduled for off-peak periods, particularly at night, to alleviate the problems associated with working in traffic.
Work Zone Traffic Control and Operations at Night
Nighttime work zone safety is a focus area of roadway construction and maintenance operations, especially as projects shift to overnight hours to minimize daytime traffic disruptions. Working at night presents unique hazards, including reduced visibility, driver fatigue, and increased risk of impaired driving. These factors heighten the need for clear signage, effective lighting, high-visibility apparel, and well-planned traffic control measures. Ensuring the safety of both workers and road users requires careful coordination, adherence to safety standards, and proactive communication among project stakeholders.
Lighting and Visibility
- Worker Safety and Visibility Brochure (PDF 18.8MB)
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