A guide rail is a safety feature commonly found along roads, highways, and bridges. Its primary purpose is to prevent vehicles from veering off the roadway, especially in areas with steep drops or sharp curves. Guide rails are typically made of metal or concrete and are designed to absorb impact, reducing the severity of accidents. In addition to roadways, guide rails are also used in various industrial settings, such as elevators and conveyor systems. In these applications, they help direct the movement of equipment and ensure safe operation. Overall, guide rails play a crucial role in enhancing safety and efficiency in transportation and industrial environments.