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� . Hennepion County An Equal Opportunity Employer Iy CF July 22, 1994 2 5 1994 Mr. Denny idge G1TY OF ORONO TEA Architects 2724 West 43rd Street Minneapolis, MN 55410 RE: Nelson Entry Gate, 460, 500, and 550 Tonkawa Road, Orono Dear Denny: As we discussed, Hennepin County cannot permit the proposed mail box turnout on the northeast corner of the above driveway onto County State Aid Highway (CSAH) 135, Tonkawa Road. Although the sight-distance (visibility) at the main driveway is above minimum standards, any access point north of it becomes hazardous due to the hill south of the driveway. Any vehicle exiting the proposed approach will have far sub-standard sight-distance to the south and any southbound vehicle turning left into the proposed entrance would be similarly inhibited from seeing northbound traffic. Our recommendation would be to enhance the existing approach by increasing the south radius of the driveway, and relocating the mail boxes to the north side. This action would result in at least two worthwhile improvements. First, the approach would be more perpendicular to the road, thereby easing turning movements in and out. Secondly, the letter carriers and residents could pull into the approach to access the mail boxes and not be parked on the roadway. The enclosed sketch is one way of accomplishing this installation, but we are willing to explore other possibilities. I would also be available to meet at the site to "brainstorm" the situation. Thanks for the timely inquiry and please feel free to call with further questions or to schedule a meeting. Sin ely, te_� David K. Zetterstrom Entrance Permit Coordinator DKZ:gk Attachment cc: Jeanne Mabusth, City of Orono Department of Public Works 320 Washington Avenue South Recycled Paper Hopkins, Minnesota 55343-8468 (612)930-2500 FAX:(612)930-2513