Agenda - Council - 09/22/2026 - Laserfiche WebLink

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5. 8. CC Regular Session Meeting Date: 09/22/2026 Primary Strategic Plan Initiative: Improve the safety and mobility of transportation corridors. Title: Adopt Resolution #26-213 Authorizing an Expanded Speed Study Request for Armstrong Boulevard / CSAH 83 between Highway 10 and Alpine Drive NW Purpose/Background: Purpose: The purpose of this case is to adopt Resolution #26-213 authorizing an expanded speed study request for Armstrong Boulevard / CSAH 83 between Highway 10 and Alpine Drive NW, extending the northerly study limit previously approved under Resolution #25-009 between Highway 10 and Bunker Lake Boulevard / CSAH 116. Background: On January 14, 2025, the City Council adopted Resolution #25-009 authorizing a speed study request for Aiinstrong Boulevard / CSAH 83 between Highway 10 and Bunker Lake Boulevard / CSAH 116. Anoka County submitted the speed study request to the Minnesota Department of Transportation (MnDOT). Field data collection was delayed by an adjacent development project and later by the City's street reconstruction project of Bunker Lake Boulevard west of Armstrong Boulevard. Once that construction cleared, MnDOT proceeded with the study. In August 2026, MnDOT's Metro Traffic Engineering office recommended expanding the study's northerly limit from Bunker Lake Boulevard to Alpine Drive NW, to provide a consistent posted speed limit along the corridor rather than a change in limit at the Bunker Lake Boulevard intersection. Anoka County supports this expansion and requested the City's consent. City staff discussed the proposed change, including whether extending the study area could affect the outcome for the original Highway 10 to Bunker Lake Boulevard segment. Anoka County and MnDOT staff have indicated the anticipated 50 mph recommendation is expected to hold regardless of whether the study is limited to Bunker Lake Boulevard or extended to Alpine Drive NW. Posted speeds (black on white signs) on Armstrong Boulevard / CSAH 83 are currently 55 mph between Highway 10 and Alpine Drive NW. Advisory speeds (black on yellow signs) are posted at 40 mph between Highway 10 and Sunwood Drive / 147th Avenue due to the horizontal and vertical curvature of the highway. Minnesota Statute 169.14 establishes statutory speed limits on most typical roadways under ideal conditions. All other speed limits are set by the Commissioner of the Minnesota Department of Transportation (MnDOT) based upon an engineering and traffic investigation (speed study) in which the following factors are considered: • Road type and condition • Location and type of access points (intersections, entrances, etc.) • Sufficient length of roadway (1/4 mile minimum) • Existing traffic control devices (sign, signals, etc.) • Crash history, traffic volume, sight distances (curves, hills, etc.) • Travel speed samples • Test drive results Unless otherwise posted, statutory (enforceable) speed limits observed throughout Minnesota are: