Laserfiche WebLink
Mark Culver, PE January 17, 2019 <br />City of Roseville Page 15 <br />Based on the results comparing side -street delays, Scenario 2 provides the best option for reducing <br />delays at all intersections along the corridor. Scenario 3 significantly reduces the delay at Lydia <br />Avenue due to the grade separation; however, the traffic that is diverted to County Road C2 <br />negatively impacts operations on both the eastbound and westbound approaches at the County <br />Road C2 intersection. <br />Throughput Evaluation Results <br />The second part of the analysis looked at the increase in throughput along the corridor. The change <br />in throughput was calculated at each of the exit points along the corridor as well as the northbound <br />throughput north of County Road C. Table 2 summarizes throughput along the corridor and the <br />percent change in throughput as compared to existing. <br />Table 2. Corridor Throughput Summary <br />Throughput(veh/hr) <br />Scenario <br />SIB <br />Snelling <br />EB C <br />WBC <br />NB <br />Snelling <br />N of C <br />EB C2 <br />WE C2 <br />EB <br />Lydia <br />WE <br />Lydia <br />NB <br />Snelling <br />N of Lydia <br />Total <br />Existing <br />1449 <br />695 <br />693 <br />2009 <br />234 <br />158 <br />157 <br />227 <br />2237 <br />7859 <br />Scenario 1 <br />1475 <br />700 <br />711 <br />2022 <br />245 <br />155 <br />168 <br />230 <br />2289 <br />7995 <br />Scenario <br />1471 <br />754 <br />744 <br />2377 <br />254 <br />178 <br />174 <br />253 <br />2591 <br />8796 <br />Scenario <br />1460 <br />717 <br />702 <br />2014 <br />269 <br />235 <br />141 <br />146 <br />2176 <br />7860 <br />Change Compared to Existing (%) <br />Scenario 1 <br />2% <br />1% <br />3% <br />1% <br />5% <br />-2% <br />7% <br />1% <br />2% <br />2% <br />Scenario <br />2% <br />8% <br />7% <br />18% <br />9% <br />13% <br />11% <br />11% <br />16% <br />12% <br />Scenario 3 <br />1% <br />3% <br />1% <br />0% <br />15% <br />49% <br />-10% <br />36% <br />-3% <br />0% <br />Based on the results in Table 2, Scenario 2 provides the greatest throughput increase as compared to <br />existing conditions. It should also be noted that Scenario 1 also increases northbound throughput by <br />improving the geometry for the currently deficient side -streets. <br />