What is a critical component of maintaining traffic control measures in a work zone?

Periodic inspections to ensure compliance are essential for maintaining traffic control measures in a work zone. These inspections involve regularly checking the condition and effectiveness of traffic control devices such as signs, signals, cones, and barriers. By conducting these inspections, it is possible to identify any damage, displacement, or deficiencies that may compromise safety and compliance with established traffic control plans.

Moreover, regular assessments help ensure that the implemented measures conform to safety regulations and adapt to any changes in worksite conditions or traffic patterns. This proactive approach can significantly enhance the safety of both workers and drivers passing through the work zone.

In contrast, increased signage alone may not address other critical aspects of traffic control, such as the placement or condition of devices. Limiting worker movements does not inherently improve traffic control; rather, it focuses on worker safety without addressing overall traffic management. Using only permanent road markings disregards the dynamic nature of a work zone, where temporary measures are often necessary to accommodate ongoing construction activities. Therefore, while all aspects are important, periodic inspections stand out as a fundamental strategy for effective traffic control in work zones.