000			01785nam a22001935i 4500
999			_c56844 _d56844
008			190412s2019 dcu 000 0 eng
020			_a9780309480369
082			_a388.3 _bPOR
100			_aPorter, Christopher & Others _971894
245	1	0	_aGuide to truck activity data for emissions modeling
260			_aWashington, D. C. _bTransportation Research Board _c2019
300			_aviii,65p.
490	0		_aNational cooperative highway research program, NCHRP research report _vNo.909
505			_aCONTENTS 1 Section 1 Introduction 1 1.1 Purpose and Motivation 2 1.2 MOVES Inputs Considered 6 1.3 Outline of Guide 6 1.4 Related Resources 7 Section 2 Truck Fleet and Activity Data Sources 11 Section 3 Age Distributions 11 3.1 Overview 11 3.2 MOVES Embedded Data 11 3.3 Sensitivity/Importance 13 3.4 Generating Local Data 21 Section 4 Speeds 21 4.1 Overview 2 1 4.2 MOVES Embedded Data 2 1 4.3 Sensitivity/Importance 24 4.4 Generating Local Data 27 Section 5 Drive Schedules and OMDs 27 5.1 Overview 27 5.2 MOVES Embedded Data 28 5.3 Sensitivity/Importance 30 5.4 Generating Local Data 34 Section 6 Starts and Soak Times 34 6.1 Overview 37 6.2 MOVES Embedded Data 38 6.3 Sensitivity/Importance 39 6.4 Generating Local Data 49 Section 7 Hotelling 49 7.1 Overview 51 7.2 MOVES Embedded Data 52 7.3 Sensitivity/Importance 53 7.4 Generating Local Data 61 References 63 Abbreviations 65 Append ices A Through G Note:Photographs, figures, and tables in this report may have been converted from color to grayscale for printing . The electronic version of the report (posted on the web at www.trb.org) retains the color versions.
600			_951226
890			_aUSA
891			_aGRATIS _aCEPT-COE-UTPM
942			_2ddc