Traffic Control Device - Speed Limit Signs - Huey between Elwood & Lathrop

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CITY OF SOUTH BEND DEPARTMENT OF PUBLIC WORKS DIVISION OF ENGINEERING TO: Kara Boyles, City Engineer THROUGH: Roger Nawrot, Assistant City Engineer FROM; Alicia Czarnecki, Engineer I SUBJECT: Huey Street & Hamilton Street Multi -Way Stop Warrant Analysis (TRII 7-065) DATE: December 26, 2017 Purpose The purpose of this study is to determine whether any traffic control improvements are warranted at the intersection of Huey Street and Hamilton Street. The Engineering, Division has received one request from a resident requesting to install a multi -way stop. This memo summarizes the warrant analysis conducted to assess the need for a permanent all -way stop at this intersection and the proposed recommendation. Location/Descrl ption ca In this location, both Huey Street and Hamilton Street are classified as local streets and each have one travel lanes per direction. The street pattern of the adjacent r1gin e I arse), Street and fiam'ilfon Street streets is laid out in a grid pattern !in this residential area. There are sidewalks on the south side of Hamilton and on the west side of Huey to the south of the intersection. Parking is allowed on both sides of the streets. The street is 30 feet in width. Warrants The Manual on Uniform Traffic Control Devices sets forth the following requirements to warrant the installation of multi -way stop control: Thefollowingcriteria should he considered in the engineering study for^ a multi -way STOP sign installation: A. Where traffic control signals arejustiflied, the multi -way stop is an interim measure that can be installed quickly to control traffic while arrangements are being made for the installation of the traffic control signal. B. Five or more reported crashes in a 12-month period that are susceptible to correction by a multi - way stop installation. Stich crashes include right -turn and left -turn collisions as well as right- angle collisions. C. Minimum volumes: 1. The vehicular volume entering the intersection from the major street approaches (total of both approaches) averages at least 300 vehicles per hour far any 8 hours of an average day; and 2. The combined vehicular, pedestrian, and bicycle volume entering the intersectionfromthe minor street approaches (total of both approaches) averages at least 200 units per hour for the same 8 hours, with an average delay to minor -street vehicular traffic of al least 30 seconds per vehicle, during the highest hour; but 3. If the 8511apercentile approach speed of the major -street traffic exceeds 40 inph, the ininimum vehicular volume warrants are 70 percent of the values provided in Items I and 2. D. Where no single criterion is satisfied, but where Criteria B, C1, and C2 are all satisfied to 80 percent ofthe minimum values. Criterion C.3 is excludedorn this condition. We deliver services that empower everyone to thrive!!