What can excessive wheel wear lead to in railway operations?

Excessive wheel wear can significantly impact railway operations, primarily leading to increased maintenance costs and safety hazards. When wheels on a train become excessively worn, they may lose their shape and grip, leading to decreased performance and potential instability while the train is in motion. This can result in the need for more frequent inspections and replacements of the wheels, thereby driving up maintenance costs significantly.

Additionally, worn wheels can pose safety risks, such as increased chances of derailment or loss of control, particularly when navigating curves or under heavy loads. The wear can also lead to issues like flat spots or noise, which not only compromise the safety of the operation but can also contribute to a less smooth ride for passengers, potentially aggravating safety concerns further.

This option correctly identifies the negative ramifications of excessive wheel wear, making it vital for rail operators to monitor wheel conditions closely and perform timely maintenance to ensure safety and cost-effectiveness in railway operations.