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Handbook for Communicating Travel Time Reliability Through Graphics and Tables (2014) / Chapter Skim
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... 1 Acronyms ATA actual time of arrival AVI automated vehicle identification AVL automated vehicle location CDF cumulative density, or distribution, function D2D day-to-day (variations in travel times) DTA desired time of arrival GPS global positioning satellite ITS intelligent transportation system mph miles per hour O-D origin-destination pair PDF probability density function PeMS performance measurement system PMF probability mass function RMS root mean square (of a set of values)
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