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Edition:Final Report April 2016 – July 2019
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Abstract:In this report, we propose an alternative, though complementary, view of multi-modal transportation network component importance relative to (i) their commodity flows and (ii)the interdependent, multi-regional, multi-industry impact of those commodity flows(as a primary role of the multi-modal network is as a connector of multiple industries).In this project, we (i) modeled a multi-commodity network flow representation of a multi-modal transportation network, (ii) related disruptions in the flow of commodities on this network to interdependent multi-industry and multi-regional losses, (iii) characterized transportation network components to multi-regional, multi-industry economic vulnerability, and (iv) developed a means to measure the effectiveness of preparednessdecisions to reduce the impacts of transportation network disruptions. A primary contribution of this work is the relating network vulnerability and interdependent impact to individual network components – an important perspective not currently available inthe literature. That is, what role does a particular multi-modal link or node play in linking multiple industries and multiple regions together? And how valuable is this complementary view in measuring component importance? Several reasons make this work important to the Oklahoma region, including: Oklahoma’s central role in thetransport of goods via three interstates, railways, and connection to the Mississippi River Navigation System via two inland waterway ports; and as elements of the multi-modal network are prone to disruption and delay, understanding the role of individual links inthe role of regional economic productivity is important.
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