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Page 175
Suggested Citation:"Appendix B: Major Commodity Corridors." National Academies of Sciences, Engineering, and Medicine. 2015. Funding and Managing the U.S. Inland Waterways System: What Policy Makers Need to Know. Washington, DC: The National Academies Press. doi: 10.17226/21763.
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APPENDIX B

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Major Commodity Corridors

The U.S. Army Corps of Engineers Navigation Data Center provides publicly available waterborne commerce data that can be used to indicate commodity corridors. The committee’s analysis indicated eight major commodity corridors with partially overlapping usage of rivers and navigation infrastructure: two food and farm corridors, one coal energy corridor, three corridors for petroleum and chemicals, one crude materials corridor, and one manufactured goods corridor. The corridors are listed below and shown in Figure B-1 and Figure B-2.

  • Coal corridor: Ohio River system, including the Allegheny and Monongahela Rivers;
  • Food and farm corridor: Upper Mississippi and Illinois Rivers to New Orleans, Louisiana;
  • Petrochemical corridor: Mississippi River from Saint Louis, Missouri, to New Orleans;
  • Manufactured goods corridor: Mississippi River from Saint Louis to New Orleans;
  • Crude materials corridor: Ohio and Upper Mississippi Rivers (from Saint Louis) to New Orleans;
  • Food and farm corridor: Columbia River system, including Columbia, Snake, and Willamette Rivers;
  • Chemical goods corridor: Gulf Intracoastal Waterway (GIWW); and
  • Petroleum goods corridor: GIWW.
Page 176
Suggested Citation:"Appendix B: Major Commodity Corridors." National Academies of Sciences, Engineering, and Medicine. 2015. Funding and Managing the U.S. Inland Waterways System: What Policy Makers Need to Know. Washington, DC: The National Academies Press. doi: 10.17226/21763.
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FIGURE B-1 Major commodity corridors on the inland waterways trunk (Mississippi, Illinois, and Ohio River systems), 2011. (IWWN = inland waterway network.)


SOURCE: U.S. Army Corps of Engineers Navigation Data Center GIS Viewer files (http://www.navigationdatacenter.us/db/gisviewer, file linktons11.zip, accessed July 2014).

Page 177
Suggested Citation:"Appendix B: Major Commodity Corridors." National Academies of Sciences, Engineering, and Medicine. 2015. Funding and Managing the U.S. Inland Waterways System: What Policy Makers Need to Know. Washington, DC: The National Academies Press. doi: 10.17226/21763.
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img

FIGURE B-2 Columbia River and GIWW corridors, 2011.


SOURCE: U.S. Army Corps of Engineers Navigation Data Center GIS Viewer files (http://www.navigationdatacenter.us/db/gisviewer, file linktons11.zip, accessed July 2014).

Page 175
Suggested Citation:"Appendix B: Major Commodity Corridors." National Academies of Sciences, Engineering, and Medicine. 2015. Funding and Managing the U.S. Inland Waterways System: What Policy Makers Need to Know. Washington, DC: The National Academies Press. doi: 10.17226/21763.
×
Page 175
Page 176
Suggested Citation:"Appendix B: Major Commodity Corridors." National Academies of Sciences, Engineering, and Medicine. 2015. Funding and Managing the U.S. Inland Waterways System: What Policy Makers Need to Know. Washington, DC: The National Academies Press. doi: 10.17226/21763.
×
Page 176
Page 177
Suggested Citation:"Appendix B: Major Commodity Corridors." National Academies of Sciences, Engineering, and Medicine. 2015. Funding and Managing the U.S. Inland Waterways System: What Policy Makers Need to Know. Washington, DC: The National Academies Press. doi: 10.17226/21763.
×
Page 177
Next: Appendix C: Documentation of Original Construction and Major Rehabilitation Dates for Mainstem Inland Waterways System Locks »
Funding and Managing the U.S. Inland Waterways System: What Policy Makers Need to Know Get This Book
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TRB Special Report 315: Funding and Managing the U.S. Inland Waterways System: What Policy Makers Need to Know explores the role and importance of the federally funded inland waterways system, priorities for future investment, its beneficiaries, and sources of funding.

In recent years, the inland waterways system has transported six to seven percent of all domestic ton-miles of cargo. The system is a small but important component of the national freight system, particularly for bulk commodities. The study committee finds that, in order to ensure efficient use of limited navigation resources, the most critical need for the inland waterways system is a sustainable and well-executed plan for maintaining system reliability and performance. Reliability and performance will depend on placing higher priority on investments in operations and maintenance (O&M). Without a funding strategy that prioritizes system preservation, maintenance may continue to be deferred, which would result in further deterioration and in a less cost effective and less reliable system.

The committee finds that more reliance on a “user-pays” funding strategy for the commercial navigation system is feasible, would generate new revenues for maintenance, and would promote economic efficiency.

The committee suggests that an asset management program focused on economic efficiency, fully implemented and linked to the budgeting process, would help prioritize maintenance spending and ascertain the funding levels required for reliable freight service.

View the TRB Special Report 315 webcast.

View the press release.

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