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m <br />DEPARTMENT OF <br />TRANSPORTATION <br />NORTHWEST METRO <br />Mississippi River Crossings: Improvement Concepts <br />Overview and Need <br />Context and Land Use Traffic Analysis <br />Improvement Concepts <br />Next Steps <br />Concept 1 — Mobility Improvements (Hwy 101 + Hwy 10) <br />Diverging diamond <br />interchange <br />=-6 <br />L12, <br />CorcorPn <br />Improvement Details and Cost Range <br />Grade -separated <br />crossings <br />Champlin <br />aple Gro <br />Concept improvement area <br />Addition of <br />third lane <br />HwyGrade <br />10 <br />Separated <br />Crossing <br />Elk River (US Hwy169)to Ramsey(Armstrong$115-290 <br />Million* <br />Hwy 10 <br />y <br />Lane Addition <br />Eastbound and Westbound Lane Add from Hanson Blvd to Round <br />Lake Blvd <br />$36 Million* <br />Hwy101 <br />Diverging Diamond <br />Interchange <br />g <br />Diverging Diamond Interchange at Hwy101 and 1-94 <br />g g g <br />$22-26 Million* <br />Net Cost: $175-350 Million* <br />Benefit/Cost Ratio: 1.0 <br />*Total project cost estimate in 2030 dollars <br />page 17 <br />