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<br />St. Cloud  Minneapolis  St. Paul <br />Equal Opportunity Employer <br />wsbeng.com <br />Technical Memorandum <br /> <br />To: Diane Hankee, PE Copy: Michael Grochala <br />City Engineer Community Development Director <br />City of Lino Lakes City of Lino Lakes <br /> <br />From: Chuck Rickart, PE, PTOE File: WSB No. 2029-240 <br /> Principal/Traffic Engineer <br /> <br />Date: May 10, 2017 <br /> <br />Subject: Arlo Lane Stop Sign Review <br /> <br /> <br />Introduction/Background <br /> <br />Concerns have been raised by a resident in the Arlo Lane neighborhood over the safety and <br />traffic speeds along Arlo Lane. The primary concern is with the safety of pedestrians on Arlo <br />Lane with excessive traffic speeds. The resident requested a stop sign be installed at either the <br />Highland Drive or Joseph Court intersection as a possible solution. <br /> <br />Appropriate traffic control at an intersection is critical to the operation and safety of both <br />intersecting roadways. If incorrect traffic control is installed for the traffic conditions and the <br />topography of the intersection, undue delays and even unnecessary crashes could occur. The <br />traveling public, especially persons not familiar with the area, typically drive based on instinct. <br />Drivers subconsciously evaluate their surroundings to determine if a stop sign should or should <br />not be located on an intersection approach. <br /> <br />There are many factors to determine what the correct intersection control should be; however, <br />the following factors should be evaluated when determining intersection control: <br /> <br />Traffic Conditions: The traffic conditions of an intersection include: <br /> <br /> • Traffic approach volume <br /> • Speed of traffic approaching the intersection <br /> • Number of turning vehicles in an intersection <br /> • Vehicle makeup (i.e. trucks, buses, etc.) <br /> • Crash history in the intersection <br /> <br />Topographic Conditions: The topographic conditions of the intersections are the physical <br />features in the area, including: <br /> <br />• The grade of each approaching roadway <br />• Location and size of adjacent buildings or structures <br />• Angle of the intersection <br />• Geometrics (number of lanes) of the intersection <br />