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City of Eugene- Johansen-Moody House Page 14 Code Amendment/Zone Change: Creation of Historic Special Area Zone Satre Associates, P.C. September 17, 2004 if no alternatives exist. In this case, the only access to the property is via River Road. The site plan accommodates on-site turning movements so that cars do not use the right-of-way to back up. River Road has a center turn lane in the vicinity of the subject site. With regard to subsection 2(d) of the TPR, the proposal will have the effect of changing the zoning for .20 acres of land. The impacts of the proposed change on applicable performance standards are expected to be minimal based on assumed trips generated by the existing zoning, and estimated future trips generated by uses allowed under the proposed zoning. Table 1 below shows a comparison of trips generated by currently allowed and proposed uses on the property. The trip generation rates are based on the Institute of Traffic Engineers Trip Generation Manual, 6th Edition. Table 1: Trips Generated by Existing, Allowed, and Proposed Uses ITE Trip Generation Manual Use Average Trips per Johansen-Moody Trips generated Day/I,000 square House square feet feet Single Family Residence 10.00/unit 1 unit 10.00 (allowed) Multi-Family Residence 6.63/unit Approx. 2 units 13.26 (proposed) General Office (proposed) 11.01 Approx. 2,000 22.02 Specialty Retail (proposed) 40.67 Assume 2,000 81.34 Day Care (existing and proposed 31.19/employee Assume 6 187.14 conditional) Sources: Institute of Transportation Engineers Trip Generation Manual, 6t~ Edition, floor plans for Johansen-Moody House, and proposed code language. The information shown in Table 1 demonstrates that the highest potential trip generating use on the site is day care. If the building were dedicated fully to day care, the number of total trips generated on the, site (187.14) would add a negligible mount,, of traffic to River Road, which currently carries approximately 22,100 daily trips in the vicinity of the subject site3. Major arterials are generally anticipated to carry over 20,000 trips per day4. In addition, current zoning allows day care through a Conditional Use Permit. The most likely development scenario on the site is continuance of the specialty retail (antique store) use, which will result in fewer than 100 daily trips. Due to the small anticipated change and the absence of Level of Service problems on River Road in the vicinity, the proposed amendment would not reduce the performance standards of the facility below the minimum acceptable level identified in the TSP. The application therefore does not significantly affect a transportation facility under subsection 2(d). Therefore, subsection (1) of the TPR above, outlining potential mitigation measures, need not be addressed. 3 City of Eugene Traffic County Map: http://www.ci.etlgene.or.us/PW/traffic/TRAFFIC-COUNTS.pdf. 4 City of Eugene Arterial and Collector Street Plan, page 30. 32