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Travel Time Reliability Reference Guide
This guide describes key elements for including travel time reliability evaluation within traffic analysis approaches. It includes information on observing the system; defining the problem; collecting and preparing data for analysis; creating the model; verifying, calibrating, and validating; and data processing, analysis, and presentation, as well as some examples. The guide is part of an effort by FHWA to update the FHWA Traffic Analysis Toolbox to reflect and incorporate travel time reliability concepts.
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