Which of the following is a workzone hazard?

The correct answer encompasses various hazards that workers may encounter in a workzone environment. Each option provided illustrates a distinct type of risk associated with construction or maintenance work on roadways.

Lane-change collisions represent a specific danger wherein vehicles changing lanes may collide with workers, equipment, or other vehicles due to the unexpected presence of workzones. This type of incident often arises from driver distraction or confusion, highlighting the need for clear signage and barriers.

Being struck by a vehicle is a fundamental concern in workzones, as workers are at risk of being hit by vehicles that are either passing through or navigating around the work area. This hazard is prevalent, particularly in areas without adequate traffic control measures, demonstrating the importance of maintaining safety protocols and utilizing personal protective equipment.

Vehicles entering open trenches pose a significant risk as well. Unprotected excavations can lead to serious accidents if vehicles inadvertently drive over or into these areas. This danger underscores the necessity for proper protective measures, such as barriers and warning signs, to prevent unintended access and ensure a safe work environment.

Recognizing that all of these risks are inherent to workzones, it’s clear that hazard mitigation strategies must encompass multiple aspects of safety to effectively protect workers. Hence, selecting all of the above as a comprehensive answer highlights the