United States Department of Transportation
i
Access to destinations : annual accessibility measure for the Twin Cities Metropolitan Region.
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2012-11-01
[PDF-9.73 MB]
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Abstract:This report summarizes previous phases of the Access to Destinations project and applies the techniques developed
over the course of the project to conduct an evaluation of accessibility in the Twin Cities metropolitan region for
2010. It describes a methodology that can be used to implement future evaluations of accessibility, including a
discussion of the development and use of software tools created for this evaluation. The goal of the 2010
accessibility evaluation is twofold: it seeks both to generate an accurate representation of accessibility in 2010, and
to identify data sources, methods, and metrics that can be used in future evaluations. The current focus on
establishing replicable data sources and methodology in some cases recommends or requires changes from those
used in previous Access to Destinations research. In particular, it is important to standardize data sources and
parameters to ensure comparability between multiple evaluations over time. This evaluation recommends data
sources and methodology that provide a good representation of actual conditions, that are based on measurements
rather than models that provide a reasonable expectation of continuity in the future and that are usable with a
minimum of manual processing and technical expertise.
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