Does TNM allow barriers to be modeled underneath roadways on-struct (overpasses) or barriers on-struct?
No, TNM does not. While this is a very feasible occurrence in real life, TNM does not allow barriers to go underneath structure-roadways (or barriers), and will produce “invalid” receivers every time a barrier goes underneath a roadway/barrier on-struct (instead of stopping the calculations). To avoid this error, stop your barrier just shy of the structure roadway, and then start it up again on the other side.
