United States Department of Transportation
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Effects of catastrophic events on transportation system management and operations : executive summary of the August 2003 northeast blackout, Great Lakes and New York City regions
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2004-05-01
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[PDF-33.40 KB]
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TRIS Online Accession Number:978602
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Edition:Final report
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NTL Classification:NTL-INTELLIGENT TRANSPORTATION SYSTEMS-Emergency Management;NTL-INTELLIGENT TRANSPORTATION SYSTEMS-Incident Management;NTL-PLANNING AND POLICY-PLANNING AND POLICY;
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Abstract:On Thursday, August 14, 2003, a series of seemingly small events, happening in concert, produced the largest blackout in American history. Shortly after 2:00 p.m. on August 14, a brush fire caused a transmission line south of Columbus, Ohio, to go out of service. At 3:05 p.m. and at 3:32 p.m., two separate transmission lines in Northern Ohio failed. Over the next 30 minutes, five additional transmission lines in Ohio and Michigan failed. At 4:10 p.m., the electrical system connecting the region south of the Great Lakes, including the cities of Cleveland, Ohio, and Detroit, Michigan, to New York and New Jersey experienced a profound failure due, in large part, to the sudden vulnerability of the transmission system. A cascading effect occurred, in which lines sequentially overloaded and then failed, leaving a swath of 3,700 miles--including portions of Vermont, Massachusetts, Connecticut, New York, New Jersey, Pennsylvania, Ohio, Michigan, and the Maritime provinces--in the dark. This report documents the actions taken by transportation agencies in response to this catastrophic event.
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