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1-5:Aurora Donald Interchange(Exit 278) <br /> Interchange Area Management Plan for Marion County Approval <br /> ODOT KN19062 <br /> Oregon Department of Transportation—Region 2 <br /> 2.3.1.3 Access <br /> Oregon Administrative Rule (OAR) 734-051 defines the State's role in managing access to highway facilities in <br /> order to maintain functional use and safety and to preserve public investment. The rule includes spacing <br /> standards for varying types of state roadways and criteria for granting right of access and approach locations <br /> onto state highway facilities. Amendments to OAR 734-051 have been adopted in 2010, 2011, 2012 and 2013. <br /> Senate Bill 408,which passed in the 2013 legislative session and became effective January 1, 2014, addressed <br /> three priorities: existing approaches (private driveways)without ODOT's written permission; access <br /> management in highway facility plans; and access management in highway project delivery. <br /> Within the study area, Ehlen Road has 16 private access points (driveways) and 3 public access points (streets), <br /> in addition to the 2 interchange ramp terminals. Many of the private access points appear to serve low volumes <br /> of traffic and 6 of them are only for field access. ODOT's interchange crossroad access spacing standards <br /> requirements are listed below (all distances measured from the nearest ramp terminal):5 <br /> • 1,320 feet to the first approach on the right (when driving away from the interchange), right-in/right-out <br /> only <br /> • 1,320 feet to the first intersection where left turns are allowed <br /> • 1,320 feet between the last approach road (when driving toward the interchange) and the start of the <br /> taper for the on-ramp <br /> 1999 Oregon Highway Plan,as amended May 2015,Appendix C Table 17: Minimum Spacing Standards Applicable To <br /> Freeway Interchanges with Two-Lane Crossroads,p.213. <br /> 2-6 July 2020 1274-3012-031 <br />