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EVALUATION OF ALTERNATIVE CONTROL STRATEGIES
EVALUATION OF ACTUATED CONTROL MODES AND CONTROLLER SETTINGS
CONCLUSIONS AND RECOMMENDATIONS
actuated controller settings actuated intersection actuated operation actuated phase approach speed basic three-phase sequence change interval Control Delay control modes critical ﬂow ratio critical phase cross-road through phase Delay slv detector designs diamond interchange operating diamond interchange phase distance between ramp effective green Equation Equation 13 equilibrium cycle length evaluation extended three-phase sequence Federal Highway Administration ﬁndings ﬁrst ﬂow rate following equation gap-out green extension green interval duration green interval setting increase incremental delay lanes left-tum phase length and delay less than 1.3 maximum allowable headway maximum green interval maximum green setting minimum Phase minimum-delay cycle length minimum-delay pretimed green Overlap phase duration phase i.e. platoon pretimed control pretimed green interval pretimed intersection pretimed operation Queue Delay ramp spacing result shown in Figure Speciﬁcally Texas A&M University Texas Transportation Institute three-phase diamond interchange three-phase operation trafﬁc traﬁic demands trends shown values veh/h volume scenarios