2. PCSR AGENDA 03-01-2010 - Laserfiche WebLink

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or activities over and above MnDOT's base level plan. Common costs that should be expected include lowering Highway 10, additional wetland mitigation, business acquisition and Right of way acquisition, etc. The greater the unnecessary cost to implement a plan, the less likely that implementation will occur. 17151 Avenue Qverp~, All plans suggest the patential for an overpass at 17151 Avenue. while recognized as desired and beneficial by the planning study, this potential will need to be studied in greater detail from an engineering viewpoint. There is limited room on the west side of Highway 10 for a ramp to touch down, requiring Highway 10 to be lowered to create the majority of the necessary 15-20 feet of vertical separation, Lowering Highway 10 any appreciable distance will require either significant property acquisition on either side of the highway removing or relocating businesses} and/or large retaining walls that would restrict views to businesses. Connection to Twin Lal~es Road The Council requested that Twin Lakes Road be connected directly to the interchange, This is shown. Staff continues to strongly support designing Twin Lakes Road as an arterial spine continuing southward and intersecting the highway with it. Twin Lakes Road and County Road 13 have or are anticipated to have connections with the following major roadways; County Road 33, 193rd Ave., County Road 12Main S~•eet}, this interchange, and Jarvis Street. All of these will linl~ to planned interchanges with Highway 10 or Highway 1 G9. we believe this is the best long-term approach to organizing the traffic movements in the area, and south of the interchange. CAST C~NPA~z~~N To help the Council and public understand the cost implications of the three plans, staff has prepared an informational spreadsheet. These numbers reflect recent City projects, or the City's engineering staffs best estimate for canstr•uction of highways; these are not accurate numbers relative to actual construction costs for this project. They are offered only as an apples-to-apples comparison between the three options. Additionally, no attempt has been made to quantify acquisition costs associated with highway, street, or wetland mitigation; staff suggests that the City avoid acquisition as much as possible. Impacted wetland acres are identified as a comparison, S;~PLANNING MAIN~Projects~1iA5'I' Study Area~FAST memo to CC I~ transportation 3..I-10 Bruce-DPI ch~nges.doc