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<br /> ----------- <br /> l{b~ .. <br /> ITE's logarithmic relationship between average weekday trips and number of dwelling units <br /> is: . <br /> In (trips) = 0.921 In (dwelling units) + 2.698. <br /> Applying the value of 540 dwelling units to this equation results in an average weekday traffic <br /> of 4,880 trips per day. Although the ITE trip generation relationship is not based on a linear <br /> relationship with dwelling units, for the purposes of discussion. a linear relationship can be <br /> computed to be 4,880 .,. 540 = 9,0 trips per dwelling unit. This value is 50 percent higher <br /> than the lower range of six trips/household used to develop the criteria in the sup, <br /> In summary, current sources of traffic generation data indicate that residential traffic in a city <br /> similar to Arden Hills may be as high as 10.5 vehicle trips per household (or dwelling unit) <br /> per day. Reasonable traffic volumes for Bethel College could therefore be expected to be <br /> as high 5,670 vehicle trips per day (if campus is considered medium dense residential area <br /> with 540 dwelling units), <br /> Conclusions <br /> Results of the study indicate that on an average weekday, Bethel College Campus traffic <br /> totals approximately 4,840 vehicles per day. This volume equates to approximately 12 <br /> percent of the total traffic on the two adjacent roadways, Snelling Avenue and Old Highway <br /> 10. <br /> Bethel College's Master Plan proposes an increase in student enrollment which could result <br /> in an increase in campus traffic to on the order of 5,500 vpd. <br /> According to Bethel's 1981 Special Use Permit, traffic generated by the normal college use . <br /> shall not exceed that anticipated for low to medium density residential development or <br /> approximately 3,300 trips per day. However, current sources of traffic generation information <br /> suggest that this traffic limitation may be outdated and that a more accurate volume for such <br /> a development in Arden Hills could be as high as 5,670 trips per day. <br /> It is recommended that Bethel College request that the City of Arden Hills consider an <br /> amendment to the Special Use Permit. The amendment should allow traffic generated by <br /> the college to be more representative of a contemporary, affluent, low to medium dense, <br /> residential development. <br /> References <br /> 1. State of Minnesota, County of Ramsey, City of Arden Hills, "Amended Permanent <br /> Special Use Permit -- Case Nos. 78-5 and 81-17," July 27, 1981. <br /> 2. Wehrman, Chapman Associates, Inc., "Planning Memo: Bethel College Special Use <br /> Permit," May 16,1978. <br /> 3. City of Arden Hills, "Comprehensive Development Plan: June 1982. <br /> 4. Metropolitan Council, "1990TravelBehavior InventorySummaryReport," June 1994. <br /> . <br /> mjw:mjwtraf:13444rpt.OOl ,.7 STANLEY CONSULTANTS <br />