A sign that indicates there are a series of curves ahead is meant to:

A sign indicating a series of curves ahead is designed primarily to alert drivers to potential hazards. Curves can present challenges, such as reduced visibility, changes in road surface, and the need for careful maneuvering to maintain control of the vehicle. By providing this warning, the sign helps drivers prepare for adjustments in their speed and steering to navigate safely through the curves.

While one might think of options such as encouraging faster driving, indicating a scenic route, or signaling road construction, these do not accurately reflect the purpose of the curve warning sign. It is crucial for drivers to recognize such alerts to maintain safety on the road, reducing the risk of accidents that could occur if they do not slow down or prepare for the changes in the roadway layout.