The modeling lexicon breaks down each metric by name, and provides both the model type used to create it and a definition description for full explanation. Designed as a quick-reference chart, the lexicon provides important information and clarification across all the different VMT metrics, assisting the user in effectively navigating VMT calculations of all types.
Using Our Lexicon Reference
We invite you to explore our VMT Modeling Lexicon, and we are open to comments and input for enhancements to it as well. The lexicon is intended as a helpful reference for unpacking the complexities of VMT analysis and as a road map for accurate calculations.
Are you interested in learning more about VMT metrics, modeling, or California Senate Bill 743 implementation and planning?
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WRCOG SB 743 Implementation Pathway
This document provides guidance for implementing California’s SB 743 in the Western Riverside County area, focusing on using Vehicle Miles Traveled (VMT) as a key metric in transportation impact analysis.
Transportation Impact Analysis: Replacing LOS with VMT
This article discusses California’s shift from using Level of Service (LOS) to Vehicle Miles Traveled (VMT) for evaluating transportation impacts under the California Environmental Quality Act (CEQA), highlighting the implications of Senate Bill 743 (SB 743) for local agencies.



