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City of Arden Hills – 2040 Comprehensive Plan <br /> <br /> <br />Approved: XXXXX <br />C-7 <br /> <br /> <br />1. 2040 FUTURE ROADWAY CAPACITY IMPROVEMENT NEEDS <br /> <br />To identify the need for potential future capacity improvements, Metropolitan Council <br />2040 forecasts were compared to planning-level roadway capacities for Principal and A- <br />Minor Arterial Roadways. Planning-level roadway capacities used for this analysis are <br />illustrated in Table C.4 below. Based on this comparison, I-35W and I-694 are expected <br />to continue experiencing congestion based on the forecasted Metropolitan Council 2040 <br />travel demands. Recent and programmed improvements on these roadways will ease <br />but not alleviate congestion levels over the 20-year planning horizon due to regional <br />population growth. <br />Table C.4 – Planning-Level Roadway Capacity <br />Facility Type <br />Daily Two-Way Volume <br />Lower <br />Threshold <br />Higher <br />Threshold <br />Arterials Two-lane undivided 10,000 12,000 <br />Two-lane divided or three-lane <br />undivided 15,000 17,000 <br />Four-lane undivided 18,000 22,000 <br />Four-lane divided or five-lane undivided 28,000 32,000 <br />Freeways Four-lane freeway 60,000 80,000 <br />Six-lane freeway 90,000 120,000 <br />Eight-lane freeway or higher Calculated on a segment <br />by segment basis <br /> <br /> <br />Dr <br />a <br />f <br />t <br /> <br />11 <br />/ <br />2 <br />0 <br />/ <br />2 <br />0 <br />1 <br />7