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September 11, 2021 <br />Page 41 <br />Highway 610 <br />Highway 610 is a four -lane freeway west of Highway 252 and six -lane freeway east of Highway 252. <br />Highway 610 connects Highway 10 and I-94 through Blane, Coon Rapids and Maple Grove. <br />Highway 610 - A: Mobility Improvement <br />A wide range of concepts are recommended for future consideration for this corridor. This study <br />has recommended an undetermined mobility improvement for Highway 610 between Highway 169 <br />and Highway 252. Improvements to be considered in the future include active traffic management, <br />spot mobility, MnPASS, and strategic capacity. Improvements to this corridor have not been <br />previously identified in local or regional plans. For purposes of this study, the high estimate assumed <br />a lane would be added in each direction between the Highway 169/610 and Highway 252/610 <br />interchanges. The as -built plans show Highway 610 has been pre -graded for an additional lane in <br />this area. The bridges were also built to accommodate the additional outside lane. The project would <br />remove existing outside shoulders and replace with a 12-foot lane and 8-foot shoulder using existing <br />subgrade and relocated overhead signs. The high -end cost estimate assumes the need for a potential <br />retaining wall on each bridge to minimize right-of-way and drainage impacts. <br />Figure 22: Highway 610 - Al: Mobility Improvement <br />m <br />DEPARTMENT OF <br />TRANSPORTATION <br />NORTHWEST METRO <br />Mississippi ippi River Crossings <br />Feasibility Analysis <br />CONCEPT DEVELOPMENT <br />TH 6iO-A <br />Mobility Improvement <br />11—r1 <br />Mobi]ity improvement area <br />Existing bridge locations <br />r <br />Potential mobility <br />improvement will not <br />be defined in this study. <br />Northwest Metro Mississippi River Crossing Feasibility Analysis <br />