These models were developed for the work published in the following paper:
Young, Marcus, Rempelos, Georgios, Ntotsios, Evangelos, Blainey, Simon, Thompson, David and Preston, Jonathan (2020) A transferable method for estimating the economic impacts of track interventions: application to ground-borne noise reduction measures for whole sections of route. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit. (In Press)
See: https://eprints.soton.ac.uk/443083/
A video showing the models being used is also available:
https://www.youtube.com/watch?v=d9M_FdIjZcQ
Note: Running of these models requires access to data held by Network Rail.