7.2. HRSR 09-07-2021 - Laserfiche WebLink

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Justin Femrite, City of Elk River August 5, 2021 Elk River Downtown Traffic and Parking Study Page 9 Jackson Avenue One-Way Considerations An additional evaluation was completed to understand the benefits and impacts associated with converting Jackson Avenue between Main Street and Highway 10 to one-way operations. This evaluation looked at two scenarios, a one-way southbound condition and a one-way northbound condition. The following information provides an overview of the intersection capacity changes, as well as other benefits/impacts and considerations of these scenarios. Travel Pattern Changes Based on the two one-way scenarios along Jackson Avenue, the a.m. and p.m. peak hour volumes and travel patterns were modified to reflect each scenario accordingly. A summary of the traffic volume changes under each scenario is illustrated in Figure 5 through Figure 8. This includes the net peak hour volumes under each scenario. Under the one-way southbound condition (i.e. northbound movement removed), traffic volumes along Jackson Avenue would decrease by approximately 2,000 vpd. The majority of these vehicles would reroute along Main Street and travel through the Highway 10/Main Street intersection. Minimal impacts to the neighborhood to the west of downtown would be expected. Under the one-way northbound condition (i.e. southbound movement removed), traffic volumes along Jackson Avenue would decrease by approximately 1,000 vpd. The majority of these vehicles would also reroute along Main Avenue and travel through the Highway 10/Main Street intersection. Once again, minimal impact to the neighborhood to the west of downtown would be expected. Intersection Capacity Analysis To understand any capacity changes associated with the two one-way scenarios, an additional intersection capacity analysis was completed. A summary of the additional intersection capacity analysis is illustrated in Table 5. Green represents a more significant improvement, while red indicates a more significant degradation in operations. Table 5 One-Way Conversion Intersection Capacity Analysis Intersection Level of Service (Delay) A.M. Peak Hour P.M. Peak Hour Existing NB Closure SB Closure Existing NB Closure SB Closure Main St / Parrish Ave (1) A/A (9 sec.) F/F (> 3 min.) A/B (11 sec.) B/D (30 sec.) F/F (> 3 min.) C/E (48 sec.) Main St / Jackson Ave (2) A (10 sec.) B (14 sec.) A (9 sec.) B (14 sec.) B (14 sec.) B (13 sec.) Main St / King Ave (1) A/A (7 sec.) A/A (7 sec.) A/A (6 sec.) A/A (8 sec.) A/A (6 sec.) A/B (10 sec.) Hwy 10 / Main St B (20 sec.) C (28 sec.) C (21 sec.) C (35 sec.) D (39 sec.) C (34 sec.) Hwy 10 / Jackson Ave B (19 sec.) B (12 sec.) C (23 sec.) B (18 sec.) B (14 sec.) B (16 sec.) (3) Indicates an unsignalized intersection with side-street stop control, where the overall LOS is shown followed by the worst approach LOS; the delay shown represents the worst side-street approach delay. (4) Indicates an unsignalized intersection with all-way stop control, where the overall LOS is shown.