Laserfiche WebLink
Exhibit 4-6 Protected Permissive and FYA Left Turn — Separate Left Turn Lane <br />111 <br />r <br />E <br />• <br />CHAPTER 4. DETECTION <br />L <br />•45. <br />PROTECTED/PERMISSIVE AND <br />FLASHING YELLOW LEFT TURN <br />SEPARATE LEFT TURN LANE <br />r <br />D1-2 2.7m (9') - TYP. FOR PRESENCE DETELI1ON <br />-„1 <br />LOOP DETECTOR FUNt, i IONS <br />1 ,= CALL AND EXTEND <br />NUMBER <br />D1-1 <br />D1-2 <br />FUNCTION <br />1 <br />1 <br />SIZE I LOCATION <br />2 - 1.7 x 1.7m (6' X 6') I 6m (20') & 15m (50') <br />2 - 1.7 x 1.7m (6' X 6') I 1.5m (5') & 11m (35') I <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 PROTELIION 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 Traffic Control Signal Design Manual 4-31 <br />June 2014 <br />