Item 8A, Update on Interstate 694, Hwy 10, and CR 96

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5/22/2008 Page 2 The results of the study indicate that noise walls do not meet Mn/DOT's three criteria of being warranted, feasible and reasonable. Interim City Administrator Jim Willis summarized the findings and potential costs l(lt- noise walls in a memorandum to the City Council dated May 8, 2008, StalTverified the f(lllowing bascd on concerns expressed by residents at the May ]2, 2008, City Council meeting about no lield work bcing completed as a part of the noise study. Noise Icvel monitoring in the field is commonly performed during a noise study to document existing noise levels, and was done as a part of this study, Future noise levels arc projected with computcr models, based on projectcd trat1ie volumcs. Noise levels under existing conditions arc monitored and arc compared to the modeled existing conditions to validate the computer modeling techniques and results. Existing noisc levels wcre monitorcd at eight (8) locations along the 1-694 corridor to represent arcas of nonl1al outdoor activity. The monitoring timeli-ames werc J(lr both thc carly morning and af1ernoon. II. Grade Separation of Highway 10 and County Road 96 Dcsign Constraints II 1-6 Ramscy County providcd a rcsponsc, which was prcscnted and discussed at thc May 12,2008 City Council mceting. Since the May 12,2008, mceting, City staff contact cd Ramscy County pcr thc City Council's rcquest and conlirmcd the following: . -rhc prc-dcsign proccss will ineludc several opcn housc-typc public mcctings; thc iirst is anticipated to occur latc summcr 2008. The County will also work elosely with thc City and City stan' on working through thc dcsign elcmcnts ofthc projcct . The County docs not nccd thc dcsign paramcters, such as median width, trail locations, ctc_, {i-om thc City prior to thc preliminary dcsign process. Thc inf()J'Jl1ation thc County docs nccd fi-om the City as they cnter preliminary dcsign is thc commitmcnt to a concept (i.c. commitmcnt to build a lull access intcrchangc), so that the County can cstablish its projcct to complemcnt any proposcd City projects involving local acecss onto Highway] 0_ . Attachcd is a spreadshcct idcntifying projcct costs and funding brcakdown lor thc J-Iwy IO/CR 96 intcrsection improvcmcnts, J-Iwy 10 Local Access Interchangc, and CR H/35W Intcrchangc. III, Preservc full TH IO/Local Access Interchange Design Constraint II 1- At grade signalizcd intcrscction Mn/DOT scnt a Ictter to the City on April 9, 2008, indicating that Mn/DOT will not support an at grade signalizcd intcrsection.