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The Gulf Coast Study, Phase 2


[1] U.S. Department of Homeland Security. 2007. Transportation Systems: Critical Infrastructure and Key Resources Sector-Specific Plan as input to the National Infrastructure Protection Plan. U.S. Department of Homeland Security, Transportation Security Administration: Washington, DC. Available at:

[2] Moteff, John, Claudia Copeland, and John Fischer. 2002. Critical Infrastructure: What Makes an Infrastructure Critical? Congressional Research Service: Washington, DC. Available at:

[3] For most modes assessed as part of this study, the role of assets in supporting commerce focused on support of local commerce-i.e. commerce in Mobile County. Rail and ports, however, play important roles in commerce throughout the Gulf Coast and beyond.

[4] Again, for most modes the research team considered their importance to the Mobile County economy. However, as the port and rail facilities are important components of trade in the Gulf Coast, the team considered the freight service provided by these modes, even though much of the freight is not directly tied to the economy of Mobile.

[5] South Alabama Regional Planning Commission. 2010.

[6] Kearny, Scott. 2010.

[7] Average Daily Traffic - From the MATS study area model - does not include an analysis of freight movement

[8] Hazardous Materials Routing was identified in the earlier methodology memorandum but was removed due to limited restrictions in the area. (This criterion is no longer considered a differentiator.)

[9] Average Daily Traffic - From the MATS study area model - does not include an analysis of freight movement

[10] Scott Kearny - GIS Manager , City of Mobile provided GIS shapefiles on May 5, 2010 and sent follow up data on request

[11] Alfred and Bryant, 2010.

[12] South Alabama Regional Planning Commission, 2010.

[13] Includes miles of rail located within the rail yard.

[14] Total train weight (including freight car and lading, but excluding the weight of the locomotive) multiplied by the distance traveled.

[15] BNSF Railway, 2003 and CSX Transportation, 2005.

[16] U.S. Army Corps of Engineers, 1998.

[17] U.S. Army Corps of Engineers, 2011.

[18] Alabama Public Port Authority, 2011.

[19] Professional judgment was based on the information that was available for a specific asset; in some instances, certain assets had more types of information available to inform that professional judgment, but lack of certain information for a given asset did not automatically increase or decrease the criticality rating.

[20] U.S. Department of Transportation, 2008.

[21] To protect the security of the pipeline assets, the names of the pipeline companies are not identified in this report.

[22] Mobile Chamber of Commerce.

[23] Source: Alabama State Port Authority,

[24] Source: SARPC (2007)

Updated: 10/20/2015
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