Maintenance-of-way vehicles are specialized machines used by railroads to maintain and repair the tracks and surrounding infrastructure. These vehicles perform various tasks, including track inspection, rail replacement, and ballast distribution, ensuring the safety and efficiency of train operations. Common types of maintenance-of-way vehicles include rail grinders, ballast regulators, and track inspection cars. Each vehicle is designed for specific functions, helping to keep the railway system in optimal condition. Regular maintenance of tracks is crucial for preventing accidents and ensuring smooth train travel.