With traffic flows on the increase, Serbia needs to improve its road network and safety record, reports Gordon Feller. Serbia's road network needs to upgrade its road system against the backdrop of increased traffic flows. Serbia is crossed by segments of the important Trans European network (TEN). Corridor X with its branches Xb (Belgrade-Budapest) Xc (Nis-Sofia), and Xd (Nis-Presevo), represent the most important transit routes in the Republic, connecting Austria/Hungary, Slovenia/Croatia, and Bulgaria/Ma