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Congestion Analysis <br />Congestion Measurement <br />Traffic congestion happens on roadways whenever traffic flows at slower than intended speeds. This <br />condition is caused by bottlenecks where travel demand approaches or exceeds roadway capacity. <br />Traffic congestion is a concern because it delays travelers, increases safety risks and has negative <br />environmental impacts from wasted fuel and increased emissions. This analysis measures congestion in three <br />ways: extent (where does the congestion occur?); intensity (how bad is it?); and duration (how long does the <br />congestion last?). <br />Corridor Bottlenecks <br />This analysis identified the bottlenecks most responsible for traffic congestion on major highway corridors <br />in the Northwest Twin Cities Metropolitan Area. Table 1 identifies these bottlenecks and presents <br />information about the extent and duration of the resulting congestion on and off the highways. <br />�� .. @ —iv <br />PM Peak IIIII <br />Highway <br />Direction <br />Bottleneck (duration) <br />Bottleneck (duration) <br />I-94/Hwy 610 between Hwy <br />241 and Hwy 65 <br />Eastbound <br />Hwy 101 (^'2 hours) <br />Hwy 610 (-1 hour) <br />Hwy 252 (-1.5 hours) <br />Hwy 252 (2.5 hours) <br />Westbound <br />Hwy 252 (-2 hours) <br />Hwy 169 (1.5 hours) <br />Hwy 252 (1.5 hours) <br />Zane Ave (1 hour) <br />Hwy 101 (2.5 hours) <br />US Hwy 10 Between Orono <br />Lake Bridge and Hwy 65 <br />Eastbound <br />Signal -related in Elk River <br />and congestion (1.5 hours) in <br />Ramsey <br />Signal -related in Elk River <br />and congestion (1.5 hours) in <br />Ramsey <br />Westbound <br />Signal -related in Elk River and <br />congestion in Ramsey (1 hour) <br />Sinal-related in Elk River and <br />g <br />congestion in Ramsey (2.5 <br />hours) and Hanson Blvd (2 <br />hours) <br />US Hwy 169/Hwy 47 between <br />Bunker Lake Blvd and Hwy 610 <br />Southbound <br />Signal -related and congestion <br />between Bunker Lake Blvd and <br />Dayton Rd (3 hours), Hwy 610 <br />(2 hours) <br />Signal -related between Bunker <br />Lake Blvd and Dayton Rd <br />Northbound <br />Signal -related between Bunk <br />Lake Blvd and Dayton Rd <br />Signal -related and congestion <br />between Bunk Lake Blvd and <br />Hayden Lake Rd (3.5 hours), <br />109th Ave (1.5 hours) <br />Hwy 101 between 193rd Ave <br />and 1-94 <br />Southbound <br />Signal -related between 193rd <br />Ave and US Hwy 10 and <br />congestion at Diamond Lake Rd <br />(3 hours) <br />Signal -related between 193rd <br />Ave and US Hwy 10 and at <br />Diamond Lake Rd <br />Northbound <br />Signal -related at Diamond Lake <br />Rd and between 193rd Ave and <br />US Hwy 10 <br />Signal -related at Diamond Lake <br />Rd and congestion between <br />193rd Ave and US Hwy 10 <br />(2 hours) <br />Overview and Need <br />Context and Land Use Traffic Analysis <br />Improvement Concepts <br />Next Steps <br />page 9 <br />