What is the significance of “taper” in a traffic control setup?

The significance of a "taper" in a traffic control setup lies in its role in guiding drivers safely from a normal driving lane into a temporary or closed lane. Tapers are crucial elements in road work zones and are designed to gradually alter the width of travel lanes, allowing for a smoother transition. This is important because it helps to minimize sudden drops or shifts in lane configuration that could confuse or endanger drivers.

By effectively using a taper, traffic management can create a safe environment for both drivers and workers by ensuring that vehicles can merge or shift lanes gradually. The taper informs drivers about upcoming lane closures or changes, encouraging them to adjust their speed and position, which contributes to overall road safety. This is especially vital in construction zones where traffic patterns are altered and where there are increased risks for both road users and workers.

The other options, while relevant to traffic control, do not accurately represent the specific function of a taper within a setup. For example, it does not mark the end of a construction zone or designate pedestrian stopping points. Additionally, while speed limits may change in work zones, that is not the role of a taper.