Master’s thesis focuses on verification of software functions of modelling software Aimsun and his behavior on model of real traffic situation at the Brno Large city circuit in the stretch of road I/42 Žabovřeská I. Describes possible ways of transport surveys and some of them applies to a given section. From the survey results is compiled model in software Aimsun and traffic situation is assessed in several variants. Based on the results are proposed next steps to find solution of traffic situation in a given section.