Transportation Economic Development Impact System Explained

TREDIS
Developer:Economic Development Research Group
Operating System:Web-based, independent of user operating system
Genre:Economic evaluation

Transportation Economic Development Impact System (TREDIS) is an economic analysis system sold by consulting firm Economic Development Research Group that is used in planning major transportation investments in the US and Canada. The role of economic impact analysis and TREDIS in the transportation planning process is explained in guidebooks of the US Department of Transportation and American Association of State Highway and Transportation Officials.[1] [2] [3] [4]

TREDIS has been most commonly used for assessing the expected economic impacts of statewide highway programs,[5] regional multi-modal plans[6] and public transport investment.[7] Its history and theoretical foundation is explained in peer reviewed journal articles.[8] [9]

How It Works

TREDIS has a series of modules that calculate different forms of impacts and benefits. One module is an accounting framework that calculates user benefits, including impacts on cargo transportation and commuting cost, based on transportation forecasting results. A second module calculates wider economic development benefits, including impacts on business productivity, economic development and multiplier effects from input-output analysis. It applies an economic model to estimate impacts on jobs, income, gross regional product and business output, by sector of the economy. A third module applies cost-benefit analysis from alternative perspectives.

See also

Notes and References

  1. Web site: Archived copy . 2008-10-09 . dead . https://web.archive.org/web/20080820033528/http://statewideplanning.org/_resources/62_NCHRP8-36-60.pdf . 2008-08-20 . A Guide to State DOT Consideration of Economic Development Potential in Planning, ICF Consulting for the AASHTO Standing Committee on Planning, NCHRP 8-36-60, March 2007
  2. Web site: Archived copy . 2008-10-09 . dead . https://web.archive.org/web/20110728055106/http://www.statewideplanning.org/resource.php?id=90 . 2011-07-28 . Best Practices in Using Programmatic Strategies in Statewide Transportation Plans, Wilbur Smith Associates for AASHTO, NCHRP Project 8-36-67, 2007
  3. Web site: Archived copy . 2008-10-09 . dead . https://web.archive.org/web/20060114103104/http://www.transportation.org/sites/planning/docs/nchrp43.pdf . 2006-01-14 . Return on Investment on Freight Rail Capacity Improvement, Cambridge Systematics for AASHTO, NCHRP Project 8-36-43, 2005
  4. Web site: Guide to Quantifying the Economic Impacts of Federal Investment in Large-Scale Freight Transportation Projects. Section 10: Toolbox . 2008-10-08 . dead . https://web.archive.org/web/20080921144241/http://www.dot.gov/freight/guide061018/sect10.htm . 2008-09-21 . Guide to Quantifying the Economic Impacts of Freight Projects, US Department of Transportation, 2006
  5. http://www.portofportland.com/PDFPOP/Trade_Trans_Studies_CostHwy_Lmtns.pdf
  6. http://www.oregonmetro.gov/index.cfm/go/by.web/id=16673
  7. Web site: Archived copy . 2008-12-10 . dead . https://web.archive.org/web/20090124104932/http://chicagometropolis2020.org/documents/TimeisMoney.pdf . 2009-01-24 . Time is Money: The Economic Benefits of Transit Investment, Chicago Metropolis 2020, 2008
  8. https://archive.today/20130203055546/http://www.springerlink.com/content/g25x5784k2055310/?p=3b3a396211794bf98603f25dff491bea&pi=1
  9. http://pubsindex.trb.org/document/view/default.asp?lbid=847366

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