EXHIBITS Page 117 <br />23. Current literature and research speaks to the relationship between street design and travel <br />behavior, finding that neighborhood impacts, such as through-traffic and speeding on <br />neighborhood streets, are affected by street design. For example, research by Richard <br />Dowling and Steven Colman reported in the article, Effects Of Increased Highway <br />Capacity: Results of a Household Travel Behavior Survey (1998) found that drivers' <br />number one preferred response to congestion was to find a faster route if the current one <br />becomes congested; and Calthorpe and Duany/Platter-Zybecks and Anton Nelleson have <br />found that the layout and design of buildings and streets will influence user behavior and <br />that streets can be designed to reduce travel speeds and reduce cut-through trips. <br />Policies <br />F.9 Adopt by reference, as part of the Metro Plan, the 20-Year Capital Investment Actions <br />project lists contained in TransPlan. Project timing and estimated costs are not adopted <br />as policy. <br />F.10 Protect and manage existing and future transportation infrastructure. <br />F. I I Develop or promote intermodal linkages for connectivity and ease of transfer among all <br />transportation modes. <br />F.12 Preserve corridors, such as rail rights-of-way, private roads, and easements of regional <br />significance, that are identified for future transportation-related uses. <br />F.13 Support transportation strategies that enhance neighborhood livability. <br />Transportation System Improvements: Roadways <br />Findings <br />24. The Regional Travel Forecasting Model forecasted increased traffic congestion on <br />roadways over the next 20 years, ranging from almost two to over four times the existing <br />congestion levels. <br />25. Level of service (LOS) standards are a nationally accepted means for measuring the <br />performance of roadway facilities. LOS analysis methods are standardized through the <br />Transportation Research Board's Highway Capacity Manual. <br />26. The OHP establishes performance standards for all state highways in Oregon. OAR 660- <br />012-0015 requires coordination of transportation system plans with the state. <br />Policies <br />F.14 Address the mobility and safety needs of motorists, transit users, bicyclists, pedestrians, <br />and the needs of emergency vehicles when planning and constructing roadway system <br />improvements. <br />Laurel Ridge Record (Z 15-5) Page 680 <br />