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CA.S~ ~` <br />REVIEW ACCIDENT HISTO-R.X Al'~A TRAF'F'IC V(~LUiVf~S <br />AT TH a7 & 1421'-TI~ AVM <br />By; Steven Jankowskit, Clty Engineer <br />Background: <br />The City Council recently requested a review of the accident history and traffic volumes within <br />the area that includes the intersection of TH 47 and 142"d Avenue and Argon Street to the west <br />of this intersection. <br />It is staff understanding that the Council wishes to have the surrounding. neighborhood .invited <br />to take part in the discussion associated with this case. Depending on the issues identified the <br />properties potentially ..affected could vary considerably. The impact from modifications to area <br />roadways could be limited to Argon Street and 142 Lane in the Flintwood Hills neighborhood. <br />Other modifications -could expand the affected areas to encompass this neighborhood, the <br />Rivers Bend neighborhood and businesses on bath sides of TH 47, Staff therefore would life to <br />receive further direction from the Carnmittee prior to soliciting neighborhood input whickt <br />could be obtained at a future Public Works Committee meeting, <br />Traffic issues in this neighborhood have been discussed several times in recent yeaxs. These <br />discussions have been initiated subsequent to the following. area road modifications: <br />* In 2000 TH 47 received a major upgrade between CR 116 and Alpine Drive. The <br />roadway was significantly widened and a signalized intersection and tuxn lanes were <br />installed at Nowthen Boulevard. <br />• In -2005 TH 47 received safety improvements which included the revision of the <br />intersection at 142"d Avenue to a three quarter intersect. Previously the intersection <br />accommodated all turning movements. It was modified to allow only left turns from TH <br />47 onto 142"d Ave, but prevent the reverse left turns from 142' Avenue unto TH 47. <br />* In 2006 CR 116 was widened and the intersection of CR 116 and Dysprosium. was <br />signalized. An access from the Mallard Fond neighborhood (Barium Street) onto CR <br />1I6 was closed at that tune, <br />The purpose of this case is to review the accident history and traffic volumes, and idezatify <br />issues and future steps necessary to determine what changes, if any, should be considered. <br />Traffic Counts: <br />The traffic counts on major roadways within the area since 2000 are illustrated on the attached <br />figure. Below are several observations: <br />63 <br />