TY - BOOK AU - Porter, Christopher & Others TI - Guide to truck activity data for emissions modeling T2 - National cooperative highway research program, NCHRP research report SN - 9780309480369 U1 - 388.3 PY - 2019/// CY - Washington, D. C. PB - Transportation Research Board KW - N1 - CONTENTS 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 ER -