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TO: The Honorable Members of DATE: February 16, 1984 FILE: F <br />the Board of County Commissioners <br />THROUGH: Michael Wright, <br />County Administrator <br />James W. Davis,,P.E.,, ,�- <br />Public Works Director <br />FROM: <br />Michael L. 'Orr,/6 <br />Traffic Engineer <br />SUBJECT: Traffic Signal - South Gifford Road <br />(41st Street) at 43rd'Avenue <br />REFERENCES: <br />The subject study was conducted during January, 1983 as requested by the <br />Transportation Planning Committee and readdressed during the aforementioned <br />meeting of February 14, 1984. <br />DESCRIPTION AND CONDITIONS. <br />1. Approach Traffic Volume: <br />Summarized in the table below are the existing traffic volumes obtained <br />for each approach to the intersection during the week of January 24-28. <br />1983. These volumes are relatively low considering the functional clas- <br />sification (primary collectors) of 41st Street and 43rd Avenue. <br />Approach <br />ADT5 <br />Peak Hour Volume(k) <br />43rd Ave. <br />- Northbound <br />1700 <br />180 <br />43rd Ave. <br />- Southbound <br />970 <br />110 <br />41st St. <br />- Eastbound <br />1200 <br />130 <br />41st St. <br />- Westbound <br />1100 <br />110 <br />2. Pedestrian <br />Volume: <br />The volume of pedestrians (children, adults and bicyclists) crossing the <br />subject intersection on February 24, 1983 during 8:00 A.M. to 9:00 A.M. <br />and on February 23, 1983 during 3:00 P.M. to 4:00 P.M. are summarized in <br />the table below: <br />Crossing Children Adults Bicyclists Total <br />Morning (0800-0900) <br />43rd Avenue 0 0 1 1 <br />41st Street 0 1 0 1 <br />Afternoon (1500-1600) <br />43rd Avenue 0 0 0 0 <br />41st Street 4 2 1 7 <br />3. Accident History: <br />Collision diagrams illustrating the frequency, type and pattern of traffic <br />accidents occurring at the subject intersection for the years 1981, 1982 <br />and 1983 are attached. The predominant -collision pattern is the right-angle <br />type resulting from failure to yield the right-of-way. <br />The accident frequency rate has fluctuated between 1981 and 1983. During <br />1981, the rate was relatively high (3.84 accidents per million entering <br />83 <br />MAR 7 194 5 6 gar.. <br />