from 8.9 percent to 7.9 percent, and the percentage who bus will increase only slightly <br />from 1.8 percent to 1.9 percent. <br />21. The OHP recognizes that access management strategies can be implemented to reduce <br />trips and impacts to major transportation facilities, such as freeway interchanges, and that <br />communities with compact urban designs that incorporate a transportation network of <br />arterials and collectors will reduce traffic impacts on state highways, postponing the need <br />for investments in capacity-increasing projects. <br />22. OET policy supports investment in facilities that improve intermodal linkages as a cost- <br />effective means to increase the efficient use of the existing transportation system. <br />23. Current literature and research spears 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 DuanylPlatter-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 />F9 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.11 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 />III-F-7 <br />Laurel Ridge Record (Z 15-5) Page 219 <br />