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MEMORANDUM TO: James Lehnhoff City of Arden Hills FROM: Dan Soler Ramsey County Public Works SUBJECT: Arden Plaza Redevelopment County Road E at Lexington Avenue DATE: July 20,2007 The Ramsey County Public Works Department has reviewed the traffic study prepared by Wenck Associates and the site plan for the redevelopment of the Arden Plaza site located in the southwest quadrant of County Road E and Lexington Avenue in the City of Arden Hills. Ramsey County concurs with the results of the traffic study with the following comments. 1. The proposed redevelopment will remove 46,000 square feet of office space on the site and construct 45,000 square feet of new retail space on the site. The existing 55,000 square foot retail mall will remain. Access to the site will remain as it is today with a full access point on Lexington Avenue and a full access point on County Road E. 2. The County concurs with the methodology used to estimate the change in trips generated by the site based on the change inland use. As shown in the report the site will see about a 50% increase in pm peak hour and daily trips with the change in land use. 3. In analyzing the traffic operations at the driveways the study estimates the background growth on Lexington A venue and County Road E to be zero between current year (2007) and build year (2009). While historic growth in Ramsey County is not high the assumption of no background growth is unreasonable. A slight increase of 1-2% should be assumed. 4. The report states that at 2009 build volumes the access driveways will operate at LOS F and that the mitigation measure of increasing the right tum lane distance on the driveways will "significantly reduce delays for exiting movements on both driveways". The County would like to see the calculated average vehicle delay in the pm peak hour at the access points both with and without the extended right turn lanes.