Extending inspection periods can result in a lower level of safety, but based on insight from using a mathematical model it is possible to use improvements to the rolling stock to create more efficient inspection schedules while maintaining the same level of safety.
Until recently, the trains of the Dutch Railways were inspected daily. Frequency and scope of inspections were prescribed by legislation and regulations. Inspections were designed to ensure that the rolling stock to be deployed for passenger service with a sufficient degree of safety. ...