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Larson Property Traffic Impact Study Pa~e 1 I. Introduction and Summary 1. Purpose of Report/Study Objectives This Traffic Impact Analysis is prepared for a proposed Plan Amendment to the Laurel Hill Refinement Plan and zone change for the Larson property located on tax lots 199, 200, and 300 on assessor's map 18 03 03 23. The purpose of the study is to address the transportation planning rule (OAR 660-012-0060), statewide planning goal 12 by assessing the traffic impacts of the proposed plan amendment which may result in a land use that generates additional traffic in the surrounding area compared to the land use currently allowed in the plan. Where significant traffic impacts are found, mitigation measures will be recommended. 2. Executive Summary The intent of the plan amendment and zone change is to obtain the appropriate metro plan and zoning designations to develop a hotel or motel on the site. Without the changes, the current zoning will allow up to 19 dwelling units on the property, most likely developed as a mobile home park.. A hotel development on the site would generate approximately 535 daily trips, 36 trips in the AM peak hour and 40 trips in the PM peak hour compared to 91 daily trips, 8 AM peak hour trips, and 11 PM peak hour trips for a mobile home development. As a result of a traffic impact study for the Son Blaze Village development south of the Larson property, a "Cooperative Improvement Agreement" among the State of Oregon, and the cities of Eugene and Springfield was signed in May of 2002 that specifies certain roadway improvements for the Glenwood Interchange area. The new roadway serving this development along with interchange improvements have been included in TransPlan, the regional.transportation system plan. With these improvements in place, the operational analyses of the intersections in the study area indicates that the development proposed under the new plan designation and zoning can be accommodated within the established mobility standards with no mitigation necessary. II-B-27 Access Engineering December 1, 2003