National Academies Press: OpenBook

Estimating the Value of Truck Travel Time Reliability (2019)

Chapter: Abbreviations and Acronyms

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Page 71
Suggested Citation:"Abbreviations and Acronyms." National Academies of Sciences, Engineering, and Medicine. 2019. Estimating the Value of Truck Travel Time Reliability. Washington, DC: The National Academies Press. doi: 10.17226/25655.
Page 71

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71 3PL third-party logistics asc alternative specific constant ATRI American Transportation Research Institute DC distribution center D/C demand-to-capacity ratio DOT department of transportation FHWA Federal Highway Administration JIT just-in-time ML mixed logit MNL multinomial logit NPMRDS National Performance Management Research Data Set pctl. percentile SHRP 2 second Strategic Highway Research Program SCTG Standard Classification of Transportable Goods TCM time cost per mile TCTM time cost per ton-mile TH ton-hour THU ton-hours of unreliability TM ton-mile TMC Traffic Message Channel TTI Travel Time Index TTTR truck travel time reliability index TU ton-miles of travel per hour of unreliability TV ton-velocity UCM unreliability cost per mile UCTM unreliability cost per ton-mile VHT vehicle hours of travel VHU vehicle hours of unreliability VMT vehicle miles traveled VOR value of reliability VOT value of time WTP willingness to pay Abbreviations and Acronyms

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Travel time reliability is frequently cited as an important metric for the trucking community and users of truck freight services. While the travel time reliability for trucking is commonly measured, truck reliability is seldom considered in the benefit–cost evaluation of mobility projects, which underrepresents the benefits accrued to freight users of the roadway system.

The TRB National Cooperative Highway Research Program's NCHRP Research Report 925: Estimating the Value of Truck Travel Time Reliability provides planners and analysts a Reliability Valuation Framework that is applicable to urban or intercity shipments around the United States across a range of truck freight users and commodity types.

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