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2022-05-25 CC Packet
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2022-05-25 CC Packet
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Project BanjoTraffic Study Regional Analysis AddendumApril 22, 2022 <br />Page 24 <br />SUMMARY <br />The following study conclusions and recommendationsare offered for consideration. <br />1)All study intersections currently operate at an overall LOS B or better during the a.m., midday <br />(10 to 11 a.m.), and p.m. peak hours. <br />2)Traffic forecasts were developed foryear 2025 and 2040 no build and buildconditions, including <br />peak seasonal conditions. These forecasts represent one (1) year after opening as well as a long- <br />term regional transportation assessment.These forecasts include: <br />st <br />a.Existing travel pattern shifts associated with the Fairview Street connection to 21 <br />Avenue and <br />st <br />the 21Avenue connection to Cedar Street. <br />b.Adjacent developments thathave been approved or are expected to be constructedby year <br />2025and 2040, respectively. <br />c.An annual growth rate of oneand a half (1.5) percent applied to the existing peak hour and <br />daily traffic volumes to develop year 2024 background forecasts. <br />d.The proposed development is expected to generate 10 a.m. peak hour trips, 430 midday peak <br />hour trips, 120 p.m. peak hour trips, and 1,935 daily tripsduring typical weekday conditions. <br />Under seasonal peak conditions, the development is expected to generate 205a.m. peak <br />hour trips, 410midday peak hour trips, 360p.m. peak hour trips, and 2,985 daily trips <br />3)The capacity analysis indicated that the study intersections can support the assumed adjacent and <br />proposed developments under both year 2025 and 2040 conditions, including the peak season. <br />With optimized signaltiming (i.e., cycle lengths, phasing, and splits), all study intersections <br />and movements are expected to operate at LOS D or better during the a.m., midday, and <br />st <br />p.m. peak hours.However, the primary area of concern is the Main Street and 21Avenue <br />intersection, where the following queuing issues were identified: <br />st <br />a.Northbound queuesalong 21Avenue from Main Streetareexpected to regularly extend <br />beyond the north Gas Station drivewaylocated about 90 feet from Main Streetunder year <br />2025 build conditions; these queues lengthen under each successive traffic forecast scenario. <br />st <br />b.Southbound left-turn queuesalong 21Avenue from Main Street are expected to extend <br />between300 and 335feet starting under year 2040no build p.m. peak hour conditions; these <br />queues extend beyond the Bank access approximately 250 feet to the north. <br />4)Based on the future intersection capacity analysis and corresponding queues, as well as good <br />transportation planning practices, the following potential considerationswere identified. <br />a.Near Term: Signal Timing Optimization the project team and agencies should coordinate with <br />Anoka County and MnDOT to develop optimized signal timing plans for future conditions. <br />b.Near Term: Site Plan Improvements <br />Locate signage and landscaping to avoid creating any sight distance issues. <br /> <br />
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