What does taper length refer to in traffic control?

Taper length refers to the distance required to safely route traffic from its normal path to a new path. This concept is crucial in traffic control for ensuring that drivers have sufficient space to adjust their vehicle's position as they approach a work zone or an area of congestion. The taper allows for a gradual transition, which helps to minimize abrupt movements that could lead to accidents. The length of the taper is determined based on factors such as speed limits, the volume of traffic, and the nature of the road conditions, ensuring that vehicles can safely maneuver without sudden changes in direction.

Understanding taper length is essential for flaggers and traffic control personnel, as it directly impacts the safety of both the workers in the area and the traveling public. Properly implemented taper lengths can effectively guide vehicles while maintaining safety through and around work zones.