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Figure 9:CSAH 5 and CSAH 56(Ramsey Boulevard)Realignment Improvement Concept <br /> L LAt <br /> h <br /> � <br /> 41F OVA <br /> o <br /> Ifk * m <br /> a x b di4' 4 DES. 4 32 =-4 5' P DESIRABLE MAX, ) <br /> T <br /> roe.. low <br /> 4 <br /> - i� MPH <br /> .55 MPH <br /> 17 <br /> � - <br /> . <br /> 410 OL <br /> 12 M R 4 <br /> 1 <br /> % <br /> ft <br /> I�IN 4r � � <br /> E , , <br /> t Nil <br /> .: <br /> 11F <br /> s r <br /> a L. dt 4 4F.,� , <br /> This intersection improvement includes: <br /> • Realignment of CSAH 56 (Ramsey Boulevard) to be more perpendicular to CSAH 5 <br /> • Converted northbound CSAH 5 bypass lane configuration to dedicated left turn and through <br /> lane <br /> • Increased centerline radius of CSAH 5 to 1,200 feet from 870 feet.This brings the curve closer <br /> to the existing speed limit of 55 mph. <br /> The estimated construction cost for the realignment improvement concept at CSAH 5/CSAH 56 <br /> (Ramsey Boulevard) is $2,300,000 - $3,100,000. <br /> Various realignment alternatives were considered to balance safety improvements and property <br /> impacts. As shown in Figure 9 the larger the radii, the longer the length of improvements needed as <br /> well as more property impacts to the east. While larger radii allow vehicles to navigate a curve at a <br /> more consistent rate of speed for the corridor, a design speed can vary based on the superelevation <br /> cross slope corresponding to a specific centerline radii. A comparison of various realignment <br /> alternatives for this intersection is shown in Table 9. <br /> 21 <br />