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...Yugoslav journal of operations research number doi yujorn total time minimizing transportation problem ilija nikoli faculty organizational sciences university belgrade serbia construction management union nikolic fon bg ac yu received april accepted december abstract this paper shows the regarding active routes if multiple optimal solutions exist it is possible to include other criteria as second level and find corresponding furthermore there a solution again third objective can be optimized in lexicographic order methods generation selected cases are developed numerical example included keywords multicriteria optimization ordered s introduction minimization cost commonly treated literature basic single linear model relevant variety real problems too two types i function aggregate products quantity called st ii longest transporting route nonlinear nd or barasov for units on operation with minimized an important variant formulated resolved wich whole pp where all destinations do not hav...