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Spack Consulting 4 of 6 1715` Ave & Twin Lakes Rd Traffic Analysis <br />Table 1 -171St Avenue and Twin Lakes Road Intersection Evaluation <br />Roundabout: 1 1 4 4 5 5 5 <br />Four -Lane Corridor <br />Stop on 171st Ave: 3 3 5 3 4 4 4 <br />Four -Lane Corridor <br />Stop on 171st Ave: 2 1 1 1 1 1 1 <br />Three -Lane Corridor <br />'The top line refers to the traffic control at the intersection and the second line refers to the number of lanes provided on <br />the Twin Lakes Road corridor. <br />2 Synch ro /SimTraffic analysis using the volumes developed with Scenario 2 traffic. <br />Summarizing the rankings provides the following results: <br />Table 2 —171St Avenue and Twin Lakes Road Intersection Evaluation Summary <br />i ne top line refers to the traffic control at the intersection ana the secona line refers to the numoer of lanes proviaea on <br />the Twin Lakes Road corridor. <br />Based on this evaluation, the three -lane corridor is the best configuration for the Twin Lakes Road <br />corridor with the upcoming changes. For the intersection of 171St Avenue and Twin Lakes Road, side - <br />street stop control is the best traffic control, with the stop signs on 171St Avenue. <br />This evaluation is based upon growth assumptions that went into the 171" Avenue Area AUAR. With <br />high confidence in the future traffic volumes, there is an opportunity to reduce the amount of right -of- <br />way needed with a three -lane corridor. However, right -of -way could also be preserved in case volumes <br />grow unexpectedly and require an additional through lane in each direction at some point in the future. <br />