Cost-Effective Performance Measures for Travel Time Delay, Variation, and Reliability (2008) / Chapter Skim
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The guidebook presents and assesses performance measures currently believed to be most appropriate for estimating and reporting travel time, delay, and reliability from a perspective that system users and decision makers will find most understandable and relevant to their experience and information needs. This guidebook also presents various data collection methods, analysis approaches, and applications that most effectively support transportation planning and decision making for capital and operational investments and for quality of service monitoring and evaluation.
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From page 2... ...
This chapter provides procedures for estimating travel time, delay, and reliability from travel volumes. This information is presented to allow prediction of future conditions where a travel model is used to generate future demand volumes, and to accommodate the many agencies that currently do not have continuous data collection processes on the system or facilities they wish to measure.
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From page 3... ...
typically collected or generated to support planning activities; for example, periodic data collection and use of computer-based forecasting models to estimate future demand for potential system improvements. The procedures here are intended to support a higher-level screening and analysis process to identify needs and deficiencies and to evaluate potential solutions for meeting needs or correcting deficiencies.
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