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Actuated traffic signal controllers (Dcmthrrcb)

Communication and control (D)
    Control (Dc)
         Use For: Control theory
        Control system applications (Dcm)
            Traffic control (Dcmt)
                 Related Term (Associative): Traffic (Bt)
                Highway traffic control (Dcmth)
                     Use For: Street traffic control; Traffic management (Traffic control); Vehicular traffic control
                     Related Term (Associative): ; Highway operations (Bqd); Motor vehicle operations (Brd); Traffic engineering (Ttkfwt)
                    Traffic control devices (Dcmthr)
                         Use For: Highway signs, signals and markings; Traffic signs and signals; Traffic signs, signals and markings
                         Related Term (Associative): 
                        Traffic signal hardware (Dcmthrr)
                             Use For: Electronic traffic devices
                            Traffic signal controllers (Dcmthrrc)
                                 Use For: Controllers (Traffic signal control equipment); Electronic traffic controls
                                 Related Term (Associative): Electronic controllers (Qtbei)
                                Actuated traffic signal controllers (Dcmthrrcb)
                                    Pedestrian actuated controllers (Dcmthrrcbp)
                                         Use For: Pedestrian control signals
                                    Traffic actuated controllers (Dcmthrrcbt)
                                         Use For: Traffic actuated signals; Traffic responsive signals; Vehicle actuated signals
                                Pretimed traffic signal controllers (Dcmthrrcp)
                                     Use For: Fixed time controllers; Fixed time traffic signals; Pretimed control