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Exhibit 4-6 Protected Permissive and FYA Left Turn -- Separate Left Turn Lane <br />P <br />CHAPTER 4. DETECTION q <br />OTECTED/PERNII SIVE 1 N <br />LASHN - YLLi LEFT <br />SEPARATE LEFT TARN LAND <br />D1-2 2.7m (9') - TYP. FOR PRESENCE DETECTION <br />LOOP DETECTOR FUNCTIONS <br />1 = CALL AND EXTEND <br />NUMBER <br />D1-1 <br />D1-2 <br />FUNCTION <br />1 <br />1 <br />D1-1 <br />SIZE <br />2-1.7x1.7m (6'X6') <br />2-1.7x1.7m (6'X6') <br />LOCATION <br />6m (20') & 15m (50') <br />1.5m (5') & iim (35') <br />LOCATION = DISTANCE FROM STOP BAR TO LOOP DETECTOR <br />NOTES: <br />1) CONTROLLER PHASE AND DETECTOR FUNCTION SHALL BE NON -LOCK MEMORY WITH NO RECALL. <br />2) USE BACK UP PROTECTION TO PREVENT LEFT TURN TRAP IF THERE ARE OPPOSING LEFT TURNS. <br />3) DESIGN SPEED IS 25 MPH, <br />4 EACH NUMBERED LOOP DETECTOR SHALL HAVE A SEPARATE LEAD-IN CABLE AND SEPARATE <br />AMPLIFIER. <br />5) IF USING NMC LOOPS, A SINGLE LARGER LOOP CAN REPLACE THE DUALS. <br />6) DETECTOR CROSS SWITCHING MAY BE USED, <br />7) USE THIS FIGURE IF INSTALLING A FLASHING YELLOW ARROW (FYA). <br />FIGURE 5 <br />MnDOT Trek Control Signal Design Manual 4-31 <br />June 2014 <br />