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III. Framework Plan This section adclrcsses the following issues: . What cypc of a connection should be: provided between Twin Lakes Parkway and 1-35W? . Where should the Parkway be locared west of Fairview Avenue? . How could the Parkway be staged? More detailed issues, such as Parkway design and enhancement programs. stonn water drainage and ponding. infrastructure improvements, and project coses, arc addressed in the remaining sections of this report. A. 1-35W INTERCHANGE The first and most important issue which needs to be resolved is the connection of Twin I...akes Parkway to 1-35W. Since I-35W provides regional access to the area and since there are specific requirements for how the interchange should be configured. care needs to be takcn to weigh all options and assess all significam impacts. Modifications to improve the on- and off-ramps would be highly desirable. since one of MnDOT s long-tenn goals is [0 enhance the ramp capacity at either County Road C and/or at County Road D. The first step in the planning process was to contact MnDOT. the Rice Creek Watershed Dismct. the DNR. and the Corps of Engineers in order to identify options and to discuss opportunicies for reconfiguring or relocating the existing access and egress ramps at 1-35W. Figure 3 illustrates the four interchange configuracions which havt: been considered and evaluated. The basic premise in these eva.luacions was that, ideally, Twin Lakes Parkway should connect directly to the on- and off-ramps at 1-35W. Also, MnDOTs long-term goal is to enhance the ramp capacity at either County Road C and/or County Road D. Although an off-set configuration might work, assuming the offset is a sufficient distance from cite ramps, this would not be desirable. since Twin iAhs Parkway MtlJt" Pian 8