Floyd County Thoroughfare Plan - Floyd County Indiana - State of ...

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Floyd County, IndianaFloyd County Thoroughfare PlanSection 2–Needs IdentificationFigure 2.03-2US 150 Existing Conditions PM LOS2. State Route 62/64Table 2.03-6 shows the results of the AM and PM intersection operations assessment forthe SR 62/64 study area.The ramps of Interstate 64 are the main cause of congestion on State Route 62 and 64. Inthe morning the eastbound I-64 on-ramp is the main destination of traffic in this area. Thevolume of traffic trying to use the eastbound on-ramp exceeds the capacity of the signal.The queues that result from this volume regularly reach the westbound ramps and duringthe busiest part of the morning peak-hour microsimulation suggests that the queuesresulting from the ramp traffic can reach about a half of a mile in length. The currentproblems may be able to be lessened through establishing coordination between thesignals of both I-64 ramp terminals and West Knable Road.Prepared by Strand Associates, Inc. ® 2-10KRH:pll\S:\@SIECO\001--050\046\008\Wrd\Thoroughfare Plan\Draft 07-19-07\S2-Needs Identification 07-19-07.doc\072007
Floyd County, IndianaFloyd County Thoroughfare PlanSection 2–Needs IdentificationIn the afternoon the opposite is true. Most of the traffic using State Route 62 and 64 duringthe afternoon peak period is coming from the westbound off-ramp of I-64. This heavyvolume causes large queues to build up on the off-ramp. At the intersection of thewestbound off-ramp and SR 64, the westbound right-turning traffic is only yield controlledwhich causes interference with the northbound through traffic. The northbound throughtraffic on SR 64 will often want to make a right-turn at West Knable, but to do this they haveto cross with the heavy volume of traffic coming off the ramp. Field observation indicatesthat northbound vehicles often come to a near stop to try to merge with the ramp traffic andturn on to West Knable.Intersection OperationsAM Peak HourPM Peak HourLocationOverallIntersection OpsLOS FMovement(s)OverallIntersection OpsLOS FMovement(s)SR 62 and Yenowine Lane LOS C LOS CSR 62 and Corydon RidgeRoadLOS CLOS CSR 62 and Corydon Pike LOS C LOS CSR 62 and I-64 EB Ramps LOS F SBL LOS BSR 62 and I-64 WB Ramps LOS A LOS F WBRSR 64 and West KnableRoadLOS BLOS BSR 64 and Tunnel HillRoadLOS CLOS ESR 64 and Edwardsville–Galena RoadLOS ELOS DSR 64 and Oaks Road LOS E LOS F SBL, SBRSR 64 and Henriott Road LOS E LOS F SBL, SBRSR 64 and Baylor–Wissman RoadLOS DLOS CNote: NBL = Northbound Left NBT = Northbound Through NBR = Northbound RightSBL = Southbound Left SBT = Southbound Through SBR = Southbound RightEBL = Eastbound Left EBT = Eastbound Through EBR = Eastbound RightWBL = Westbound Left WBT = Westbound Through WBR = Westbound RightTable 2.03-6 Existing Intersection Operations from Synchro/SimTraffic along SR 62/64Prepared by Strand Associates, Inc. ® 2-11KRH:pll\S:\@SIECO\001--050\046\008\Wrd\Thoroughfare Plan\Draft 07-19-07\S2-Needs Identification 07-19-07.doc\072007
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