What is the purpose of distance markers in a work zone?

Distance markers in a work zone serve the essential function of informing drivers about how far they are from the work area. This information is crucial as it allows drivers to anticipate changes in traffic patterns or road conditions, which is particularly important in construction zones where unexpected delays or detours can occur. By knowing the distance to the work zone, drivers can make informed decisions about their speed and whether they need to adjust their trajectory or prepare to stop.

This distance information can help in reducing collisions and ensuring smoother traffic flow by giving drivers adequate time to react before reaching the work zone. It promotes a safer environment for both drivers and construction workers by enhancing awareness and preparedness as vehicles approach areas where construction activities may be occurring.

In contrast, options such as indicating speed limits, warning of hazards, or providing detour information address different aspects of traffic control but do not specifically relate to the purpose of distance markers. These elements may also be important for overall traffic safety in a work zone, but they do not directly fulfill the function of informing drivers about the proximity to the work area.