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666t S J3Q 3535 VADNAIS CENTER DRIVE. 200SEH CENTER, ST PAUL, MN 55110 651490-2000 800325-2055 ARCHITECTURE ENGINEERING ENVIRONMENTAL TRANSPORTATION December 6, 1999 RE: Roseville, Minnesota Cub Foods Development Har Mar Mall SEH No. A-ROSEV9801.00 Ms. Debra Bloom, P.E. Assistant Public Works Director City of Roseville 2660 Civic Center Drive Roseville, MN 55113-1899 Dear Deb: We have reviewed the Traffic Study prepared by Jim Benshoof of Benshoof and Associates regarding the Cub Foods store in the south Har Mar Shopping Center area. Cub Foods is proposing to develop a 76,500 square foot store in place of an existing Homeplace building of 54,500 square feet. We previously addressed a number of transportation issues in a letter to you dated February 19, 1999. You recently sent us a report of a Traffic and Parking Study prepared by Benshoof in May 1999. Apparently, the development is again under consideration. Our February 19 letter indicated the volumes of traffic to be generated by the Cub Foods store and anticipated to have been generated by the Homeplace development. The Benshoof report uses figures from our report with the exception of daily trips for the Homeplace store. We estimated a net increase of approximately 200 vehicle trips in the p.m. peak hour created by the Cub development in place of the Homeplace store. Traffic Volumes The Benshoof report indicates that the expected increase in daily volume on Snelling A venue and County Road B would be 2 to 3 percent. While the percentage increase in traffic on either County Road B or Snelling Avenue is relatively small, the biggest concern is the additional turning movements introduced at the Har Mar and Snelling A venue intersection. Using the agreed to p.m. peak hour figure and the distribution, there would be approximately 80 additional westbound trips in the p.m. peak hour at the intersection. There would also be an additional 45 southbound left turning vehicles. This would account for approximately two additional southbound left turns every signal cycle which would be noticeable. It may be desirable to obtain from Mn/DOT or make turning movement counts in the p.m. peak hour to statistically calculate the impact on the level of service. We anticipate that the numerical change will not be great while recognizing that the southbound left turn is a critical movement in the p.m. peak hour, and it may have more of an impact on the overall level of service. Traffic Circulation The biggest concerns we stated in our February 19 letter had to do with circulation from the Cub store to the regional roadway system. The Benshoof report shows a change in alignment of aisles on the east side of Har Mar Mall. This is shown in Figure 2 of their report. We agree that the concept will create an improvement in traffic flow in general on the east side of the Har Mar Mall and should accommodate, SHORT ELLIOTT HENDRICKSON INC. MINNEAPOLIS. MN Sf CLOUD. MN CHIPPEWA FALLS. WI MADISON, WI LAKE COUNTY, IN EQUAL OPPORTUNITY EMPLOYER - C\ C\ \~-~.