It is from the CGI flythroughs and general arrangement diagrams, however, I have made sure that the layout is reflected as closely as possible on OSM by cross referencing the data with OSM itself (not overlaying it, identifying key points, e.g. curves, and aligning it in reference to the existing geometry) Are there any other questions you’d like to ask? I would also like to add that, if the material is incompatible with OSM due to copyright reasons, then please feel free to revert. I believe that it should be though, however, I am not certain so feel free to check.