On Tuesday, November, 25, 2025. at the Faculty of Civil Engineering in Belgrade, Stefan Vranjevac, BSc Civil Engineering, defended his PhD thesis: 

REDEFINING OF THE CYCLIC GEOMETRICAL PROCEDURE IN TURBO
ROUNDABOUT DESIGN

Mentors: Associate professor Dejan Gavran,  Associate professor Goran Mladenović

The members of the Commission were: Assistant Professor Sanja Fric, Full Professor Nikola Čelar, 
(University of Belgrade, Faculty of Transport and Traffic Engineering), Associate Professor Igor Jokanović (University of Novi Sad, The Subotica Faculty of Civil Engineering).

Congratulations!