What are signs of tire wear that a driver should check for during a pre-trip inspection?

Answer: B — Uneven tread wear, excessive wear, or blisters on the tire surface

During a pre-trip inspection, it is essential for drivers to look for signs of tire wear that could impact safety and vehicle performance. Uneven tread wear, excessive wear, and blisters on the tire surface are critical indicators of tire condition that should be monitored. Uneven tread wear can signal misalignment, improper inflation, or other mechanical issues. When the tread wears unevenly, it diminishes traction and can lead to blowouts or loss of vehicle control. Excessive wear indicates that the tire is nearing the end of its usable life and may not perform effectively in terms of grip, especially in adverse conditions. This can significantly increase the risk of accidents. Blisters on the tire surface can suggest that the tire is experiencing internal issues, such as separation of the outer layer from the inner components, which could lead to tire failure while driving. In contrast, while visible cracks, color changes, and increased noise are aspects to observe, they do not specifically indicate the immediate threat to performance and safety that the wear patterns and integrity of the tread can reveal. Therefore, focusing on tread wear is crucial for ensuring safe operation of the vehicle.