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<br />ARDEN HILLS CITY COUNCIL - April 14, 2008 <br /> <br />15 <br /> <br />Councilmember Grant stated that figure 4.3 indicates the noise levels for the year 2030. He <br />asked if this assumes there are no changes in the current road patterns. <br /> <br />Mr. Chromy stated that the report does not specifically state what is going on at Highway 10 <br />and County Road 96. Generally when there are projections then improvements are taken into <br />account. If MnDOT has a project identified then those improvements would be included. He <br />also stated that he could not state for sure that this analysis had identified the type of <br />improvements that will be done. <br /> <br />Councilmember Grant asked if the model takes into consideration starting and stopping <br />because there are traffic lights currently in this area. <br /> <br />Mr. Chromy stated that the model assumes free flow traffic in both the current noise levels and <br />the projected noise levels. <br /> <br />Mayor Harpstead asked if there was anything in the analysis that the City could have done <br />differently in order to receive federal funding. <br /> <br />Mr. Chromy stated that that there was not. <br /> <br />There were no additional questions regarding the noise analysis. <br /> <br />Mr. Chromy presented the Jetter that City Staff had received from MnDOT on April 9, 2008. <br />This letter states that the at grade signalized light on Highway 10 was not going to be considered <br />by MnDOT because it reduces the capacity of Highway 10 and for safety reasons. He also stated <br />that he would recommend that the City back off of their push for the signalized intersection. <br /> <br />Councilmember McClung stated that there was no decent analysis done to determine that an at <br />grade signalized intersection would not be a workable solution. <br /> <br />Mr. Chromy stated that Highway 10 is a trunk highway, MnDOT is the agency responsible for <br />the safety and operations of the trunk highway system and they do have authority to make <br />decisions like this on behalf of the traveling public. <br /> <br />Mayor Harpstead asked from an engineering standpoint if the removal of a signal significantly <br />changed the capacity of the road. He also asked if capacity was driven by on and off ramps to <br />this section. <br /> <br />Mr. Chromy stated that the signal impacts capacity by as much as one-third to one-half. <br />Capacity is driven by the number of vehicles passing by at that critical point and he has not <br />studied this enough to answer. <br /> <br />Councilmember McClung stated that TCAAP would not have enough traffic to tax the capacity <br />of Highway 10 and the flyover is being added to add capacity. <br />