Fig. 1

Example of supplementary impact necessary to be evaluated for project in traffic infrastructure. a New road section project: traffic detour on 16 km adjacent national roads and through next city for 2 years of work; additional social costs including 11.4 mills. Euro time value and 1.15 mills. Euro emission costs. b National road upgrading project: impact during work for the road bypass on railway - heavy traffic detour on 2.5 km regional and county roads for 2 years; not comprised additional social costs including 4.6 mills. Euro time value and 0.15 mills. Euro emission costs. c National road modernization project: impact during work for a road junction upgrading - heavy traffic detoured on 15 km regional roads for 2 years; not comprised additional social costs including 15.6 mil. Euro time value and 1.18 mills. Euro emission costs