Performing maintenance activities at night offers a number of advantages, such as cooler air temperatures, less traffic and fewer overall crashes. However, sufficiently lighting a work zone without distracting or impairing passing drivers can be a challenge.
To determine the appropriate amount of lighting and other strategies for a work zone, the Indiana Department of Transportation and Purdue University conducted a glare assessment using a variety of lighting types, intensities and configurations.
Read the report and its recommendations: Workzone Lighting and Glare on Nighttime Construction and Maintenance Activities, June 2022
Image source: Joint Transportation Research Program