Council on Law Enforcement Education and Training (CLEET) Law Enforcement Driver Practice Test

Which cornering type would typically require the least amount of steering input from the driver?

1. Constant radius

2. Increasing radius

3. Decreasing radius

4. Winding radius

The correct answer is: Constant radius

The cornering type that typically requires the least amount of steering input from the driver is the constant radius. In a constant radius turn, the curvature of the road remains the same throughout the turn, allowing the driver to maintain a steady steering angle. This stability means that the vehicle can be navigated more smoothly since the driver does not have to make frequent adjustments to the steering wheel. In contrast, increasing radius turns require additional steering input as the curve opens up, meaning the driver has to gradually steer less as they move through the corner. Decreasing radius turns demand more steering input as the curve tightens, necessitating adjustments that can be challenging if not anticipated correctly. Winding radius turns, characterized by multiple variations in curvature, further increase the complexity of steering decisions and inputs required from the driver. Understanding these dynamics helps drivers anticipate how much steering control is necessary in different cornering situations, thus improving their overall driving performance and safety.