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Suggested Citation:"Table of Contents." National Academies of Sciences, Engineering, and Medicine. 2018. Volume 2: TRAQS: A Combined Interface for Project-Level Air Quality Analysis. Washington, DC: The National Academies Press. doi: 10.17226/25229.
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Suggested Citation:"Table of Contents." National Academies of Sciences, Engineering, and Medicine. 2018. Volume 2: TRAQS: A Combined Interface for Project-Level Air Quality Analysis. Washington, DC: The National Academies Press. doi: 10.17226/25229.
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Below is the uncorrected machine-read text of this chapter, intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text of each book. Because it is UNCORRECTED material, please consider the following text as a useful but insufficient proxy for the authoritative book pages.

NCHRP Project 25-48 2 Table of Contents INTRODUCTION ............................................................................................................................................ 4 PROJECT SCOPE ............................................................................................................................................ 4 Project Objective ....................................................................................................................................... 5 Project Structure and Workflow ............................................................................................................... 6 Phase I .................................................................................................................................................... 6 Phase II ................................................................................................................................................... 6 PROJECT WORKFLOW ................................................................................................................................... 7 PROJECT DELIVERABLES ............................................................................................................................... 8 Task 1: Assessment of Existing Tools and Design Architecture .............................................................. 8 Major Functional Design Elements ......................................................................................................... 8 Minimally Acceptable Product Features ................................................................................................ 9 Desktop-Based Application .................................................................................................................. 10 Distribution as Open-Source Software ................................................................................................. 10 TRAQS Bug Fixes ................................................................................................................................... 12 Software Development Plan ................................................................................................................. 12 Task 2: Stakeholder Input ...................................................................................................................... 15 Stakeholder Outreach Group ............................................................................................................... 15 Online Survey ....................................................................................................................................... 15 Survey Findings ..................................................................................................................................... 16 Task 3: Phase I Summary ....................................................................................................................... 18 Task 4: Interface Implementation ......................................................................................................... 19 Task 5: Interface Tests ........................................................................................................................... 19 Task 6: Interface Beta Testing and Client Acceptance Test .................................................................. 19 Interface Beta Testing .......................................................................................................................... 19 Client Acceptance Test ......................................................................................................................... 19 Task 7: Final Project Deliverables/Phase II Report ................................................................................ 19 DEVIATIONS FROM THE SOFTWARE DEVELOPMENT PLAN AND ELIMINATED FEATURES ...................... 19 FUTURE ENHANCEMENTS TO TRAQS......................................................................................................... 20 CONCLUSION .............................................................................................................................................. 21 APPENDIX A: STAKEHOLDER OUTREACH GROUP ORGANIZATIONS ......................................................... 23 APPENDIX B: PRESENTATION SLIDES FOR TRAQS TRAINING .................................................................... 25

NCHRP Project 25-48 3 Figure 1. Design Overview ............................................................................................................................ 8 Figure 2. Preprocessor ................................................................................................................................ 13 Figure 3. Post Processor .............................................................................................................................. 14 Figure 4. Results of the MAXDIFF Experiment (n=27) ................................................................................. 16 Table 1. Project-Level Emissions Analysis Guidance Documents & Software .............................................. 5 Table 2. NCHRP 25-48 Project Deliverables .................................................................................................. 7 Table 3. Applicable Open-Source Models ................................................................................................... 11 Table 4. Stakeholder Engagement Process ................................................................................................. 15

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TRB's National Cooperative Highway Research Program (NCHRP) Web-Only Document 246: Volume 2: TRAQS: A Combined Interface for Project-Level Air Quality Analysis documents the development of TRAQS (TRansportation Air Quality System), a Graphical User Interface-based software application that simplifies project-level air quality analysis of mobile source emissions. TRAQS integrates the “modeling chain” components of traffic activity, mobile emissions, and air dispersion modeling.

TRAQS is designed to streamline the model process and minimize any limitations of standalone software packages by integrating individual models and databases into a user-friendly, intuitive Graphical User Interface. It provides access to advanced modeling tools and mapping features. Overall, TRAQS offers the capabilities necessary to complete a Project-Level air quality analysis with increased accuracy and efficiencies.

Download the open source software as well as NCHRP Web-Only Document 246: Volume 1: TRAQS Users Guide.

This software is offered as is, without warranty or promise of support of any kind either expressed or implied. Under no circumstance will the National Academy of Sciences or the Transportation Research Board (collectively "TRB") be liable for any loss or damage caused by the installation or operation of this product. TRB makes no representation or warranty of any kind, expressed or implied, in fact or in law, including without limitation, the warranty of merchantability or the warranty of fitness for a particular purpose, and shall not in any case be liable for any consequential or special damages.

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