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原文传递 Infrastructure Management Project A: Development a Framework for Prioritizing Infrastructure Improvements on Critical Freight Corridors and Project B: Developing a Market-Based Framework for Freight I

题名：	Infrastructure Management Project A: Development a Framework for Prioritizing Infrastructure Improvements on Critical Freight Corridors and Project B: Developing a Market-Based Framework for Freight I
作者：	Demetsky, M.; Friesz, T.; Schroeder, J. L.; Yao, T.
关键词：	Cargo Transportation; Commodities; Design; Economic Impact; Highways; Market; Mobility; Priorities; Project Management; Traffic Safety; Transportation Corridors; Transportation Planning; Trucks
摘要：	Fully operational highways are necessary for efficient freight movements by the trucking industry. Yet, the combination of limited funding and aging infrastructure creates a grim scenario for states, which are dependent upon the economic benefits of goods movements. This research develops a comprehensive, freight-based prioritization framework to identify freight infrastructure needs critical to maintaining economic vitality by incorporating economic metrics associated with infrastructure performance and level of service. Framework outputs are a prioritized list of infrastructure needs to sustain economically critical highway infrastructure with consideration to regional economic impacts and safety and mobility improvements. In summary, the framework first evaluates infrastructure needs on a specified highway network, then prioritizes those needs using a decision model to balance developed economic metrics that estimate regional corridor-wide benefits of the local improvement with severity of needs as quantified with conditional performance measures. The developed metrics and prioritization methods are consistently applicable to any region within the United States, and two proofs of concept examine data from the Virginia highway system to demonstrate the methodology. A review of literature documents existing and proposed highway improvement prioritization frameworks to incorporate best practices into the methodology developed for this research. While the literature discounts use of economic development performance measures and the economic importance of a corridor is typically taken for granted, this research adds the dimension of economic significance of a corridor into the prioritization process for infrastructure improvements to generate motivation for private sector investment. An input-output model is used to identify the most transportation dependent industrial sectors, which are then linked with commodity flows using the Federal Highway Administrations Freigh
报告类型：	科技报告