Network Science-Based Analysis of the US Marine Highway Network and a Random Graph Model for the Intermodal Port Network
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2023-10-15
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Edition:Final Research Report
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Abstract:In 2007, the US Congress passed public law 110-140 to develop marine highways as waterborne alternatives (with respect to several criteria such as traffic congestion, fuel usage, wear and tear of the roads, public safety and security, etc.) to ease the freight transportation load across the interstate roads connecting the major cities in the country. Accordingly, the US Maritime Administration (MARAD) identified marine highways (navigable waterways) that run parallel or close to the major interstate roads and designated them with numerical identifiers that correspond to the interstate roads for which they are meant to serve as an effective alternative. For example, M-55 refers to the marine highway (on the Mississippi river) that runs along with interstate I-55 from New Orleans, LA to Chicago, IL. We used the marine highway network map posted at the MARAD website [1] and the one-pager description of the marine highways in [2] to build a graph model of the US marine highway network (MHN). A node in the MHN corresponds to a marine highway and an edge connects two nodes if the corresponding marine highways intersect at one or more intermodal ports. An intermodal port is a port that is located on a marine highway and a nearby city supports at least two of the three major forms of transportation: rail, road and air.
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