2017-18 Installation of Stop Signs E Main and 23rd Street

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Excerpts of the February 23, 2018 4:OOpm Traffic and Parking Commission Meeting Item#1 Request for Stop signs along 23rd Street at its intersection with East Main Street. Decatur Police Department notified City staff of intersections without any traffic control which have seen a high number of accidents most of them along East Main Street. The intersections of East Main Street between 16th Street and 21St Street were discussed at a previous Traffic and Parking Commission meeting. City staff has studied the intersection of East Main Street and 23rd Street as it was a part of that list. There have been three recorded accidents at this intersection within a three-year period between 2013 and 2016. One of those three accidents was the result of a vehicle sliding on the ice into a parked car which would not be correctable by adding stop signs. Thus,two accidents were potentially correctable by the presence of stop signs. Traffic counts were performed and found that a total of approximately 838 vehicles enter the intersection per day. East Main Street sees the majority with 530 vehicles per day and 23rd Street sees 308 vehicles per day. Average speeds on Main Street range from 16-17 mph with the 85th percentile seed ranging from 25-28 mph. Average speeds on 23rd Street range from 11-16 mph with the 85t percentile speeds ranging from 17-20 mph. 23rd Street is considered the minor street since it has the lower volumes. The lower speeds suggest that traffic treats Main Street as the major street. The accident rate for this intersection comes to 2.18 accidents per million vehicles entering the intersection. Typically,the Traffic and Parking Commission looks for accident rates above 1.5 accidents per million vehicles entering the intersection to determine if stop signs are needed. For this reason, City staff recommends installing stop signs at this intersection with the signs facing 23rd Street as the minor street. City staff recommends placing stop signs along 23rd Street at its intersection with East Main Street. Matt Newell motioned to move forward with placing stop signs along 23rd Street at its intersection with East Main Street. Seconded by Ed Hurst, and on call of the roll, Commission Members Broderick,Newell, Hurst,Meador and Stewart voted aye. The chairman declared the motion carried.