Transportation planning performance measures : appendices.
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Transportation planning performance measures : appendices.

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  • English

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      The article is the appendices for Transportation Planning Performance Measures.

      Oregon transportation plans, including the statewide Oregon Transportation Plan, and current regional transportation plans for the Portland, Salem, Eugene, and Medford metropolitan areas, contain some policy areas that are not adequately addressed by performance measures. These include policies related to the following: balance and adaptability; economic vitality; safety and security; environmental justice; land use compatibility; and quality of life. This research, while acknowledging the importance of assessing current system performance, focuses on performance measures that can also employ model forecast data for evaluating future plan alternatives.

      To address some of the deficiencies and to better address other plan policies, this research developed and tested six performance measures. The Urban Mobility Measures and Freight Delay Costs used performance measures developed by others and extended them for use in Oregon plans. The Transportation Cost Index represents a novel approach to measuring accessibility and to address, in part, issues related to balance, environmental justice, land use compatibility, and quality of life. The Percent of Market Basket Accessible by Non-auto Modes and the Auto Dependence Index measures are designed to address issues related to automobile reliance in the Oregon Transportation Planning Rule. The Road Network Concentration Index represents a novel approach to measuring transportation system security and efficiency. Other potential performance measures were considered but dropped because current models do not generate the appropriate data.

      The results of testing and analysis indicate that the Urban Mobility Measures and the Freight Delay Costs could be implemented immediately in Oregon. The others could be implemented soon following further refinement. Further research is recommended into policies related to the following: balance, particularly regarding transportation investments; safety, focusing on the influence of long range planning decisions; reliability; and other aspects of economic vitality

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