Hornby R4928 Network Rail Mk2F 72631 Plain Line Pattern Recognition Car Engineers Yellow OO
Network Rail have adapted a number of passenger coaches for test train service. These modern coaches are able to travel at speeds compatible with modern trains for routine surveying and infrastructure monitoring.
This coach carries automated track measurement equipment designed to monitor the state of plain track and systems to recognise faults with the track structure or alignment, allowing operators to quickly identify and assess the defect.