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Pilot Test of the TCAPP Collaborative Decision-Making Framework including a Self-Assessment Methodology: Washington State's SR 509 Project. SHRP 2 Capacity Project C18A
| 题名： | Pilot Test of the TCAPP Collaborative Decision-Making Framework including a Self-Assessment Methodology: Washington State's SR 509 Project. SHRP 2 Capacity Project C18A |
| 作者： | empty |
| 关键词： | Transportation planning##Washington(State)##Access##Airports##Arterial highways##Assessments##Communities##Costs##Decision making##Economic development##Highway corridors##Highway design##Implementation##Methodology##Projects planning##Research program##Traffic lanes##Traffic congestion##Transportation for Communities - Advancing Projects through## |
| 摘要： | The Second Strategic Highway Research Program (SHRP 2) selected the Washington State Department of Transportations (WSDOT) I-5/SR 509 Corridor Completion and Freight Improvement Project for pilot testing the collaborative decision-making tool Transportation for Communities - Advancing Projects through Partnerships (TCAPP). The WSDOT project team has worked collaboratively with the stakeholders using the tools and techniques provided under the TCAPP corridor planning protocol. We have successfully defined Phase 1 of the project. The resulting design reduced the initial project implementation cost by approximately $400 million while preserving most of the project benefits. The SR 509 project is 'ready to go' with its preliminary design completed and a federal Record of Decision issued in 2003. The projects master plan calls for three lanes (two general purpose lanes and one HOV lane) in each direction with more than 6 miles of widening on Interstate 5 to mitigate the traffic brought on by the extension. The project provides greatly improved access to the Seattle-Tacoma International Airport (Sea-Tac Airport) and the Port of Seattle from the south with congestion relief on local arterials and creates a greater opportunity for stimulating economic development. |
| 总页数： | 59 |
| 报告类型： | 科技报告 |
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