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Traffic engineering (Ttkfwt)

Disciplines (T)
    Technology (Tt)
         Use For: Biotechnology
        Engineering (Ttk)
            Civil engineering (Ttkf)
                 Related Term (Associative): Planning and design (E); Construction and maintenance (F)
                Transportation engineering (Ttkfw)
                    Highway engineering (Ttkfwh)
                         Use For: Road engineering
                    Railroad engineering (Ttkfwr)
                         Use For: Railway engineering
                         Related Term (Associative): Railroad engineers (Msgbbr)
                    Traffic engineering (Ttkfwt)
                         Related Term (Associative): ; Highway traffic control (Dcmth)