Agenda Packets - 1984/11/26 - Laserfiche WebLink

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JUSTIFICATION The City of Mounds View has requested the installation of four -way -stop controls at the intersection of Long Lake Road and Hillview Road. The basis for the request is to regulate speed and a substantial increase of traffic volumes in the area. The intersection is of normal cross configuration with Hillview Road stopping for Long Lake Road. Speed limits are 30 miles per hour and sight lines are good. The Traffic Engineering Section of the Public Works Department recommends the placement of four -way -stop controls based on conditions meeting those specified in the Minnesota Manual of Uniform Traffic Control devices. The manual stipulates certain volume, speed and accident conditions which may warrant the placement of such controls. The manual further stipulates that stop controls should not be used for speed control. Based on a review of national studies, this type of control measure does not work. In some cases, the actual operating speed increased within 300 feet of the stop sign and the stop sign is ignored by a greater percentage of drivers. Traffic volume counts have been taken in 1979, 1981, 1983 and 1984. The counts do not indicate a significant increase in volumes on Long Lake Road near Hillview Road. Actual adjusted counts for these years were 1800, 1850, 2050 and 2000, respectively. A mechanical speed check undertaken by the Traffic Engineering Section indicates approximately 10 percent of those traveling Long Lake Road exceed the posted 30 miles per hour limit by 10 miles per hour or more. However, the average speed is 33 miles per hour and within the posted ranges. A review of the accident history over the last three years (January, 1982, through August, 1984) indicates three accidents have occurred during that period. These accidents occurred during the period January -April, 1982. This frequency does not indicate an accident problem. Traffic volume approach counts by this department indicate sufficient volumes do not exist to warrant the multi -way installation. The warrant requirements were not met for even one hour of the study period. To warrant stop sign placement, these conditions should be met for 8 hours each day. The Public Works Department recommends the existing traffic controls (Hillview stops for Long Lake Road) be retained. pk:pfs:js