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traffic unit

noun
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Definition of traffic unit

: a statistical unit combining ton-miles and passenger-miles and used by transportation agencies (as railroads, bus lines, airlines) in measuring the volume of passenger and freight traffic

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“Traffic unit.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/traffic%20unit. Accessed 14 December 2019.

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