This section provides a detailed description of the following 19 methods. Refer to the table below for a one-sentence overview of each method.
| Method |
Description
|
| Off-the-Shelf TDM/TCM Analysis Software |
| TDM Evaluation Model |
Software to predict trip and VMT impacts of employer-based TDM strategies. |
| TCM/Commuter Choice Model
|
Spreadsheet software based on TDM Evaluation Model; also calculates emissions. |
| TCM Analyst
|
Spreadsheet software to estimate travel and emission impacts of TCMs. |
| CM/AQ Evaluation Model |
Software for estimating emission benefits and cost-effectiveness of potential CMAQ projects and for ranking projects. |
| CUTR_AVR
|
(Center for Urban Transportation Research Average Vehicle Ridership model) Model to predict AVR impacts of workplace-based TDM programs. |
| Customized TDM/TCM Analysis Software |
| TCM Tools
|
Spreadsheet model for screening and sensitivity testing of a wide range of TCM strategies at an area-wide level. |
| Off-Net/PAQONE
|
Models to predict emissions impacts of various transit, non-motorized travel, and traffic flow strategies. |
| ECO/Regulation XV Software
|
Software to help employers predict benefits of and track participation in Employee Commute Options (ECO) programs. |
| Sketch-Plan Workbook Approaches |
| California Standardized Methodology
|
Calculation steps to estimate emissions reductions and cost-effectiveness of TDM programs, based on survey data on mode shares. |
| RAQC Workbook
|
Workbook to estimate potential benefits of various TDM strategies applied at a regional level. |
| MWCOG Sketch-Planning Methods
|
Sample calculations by the Metropolitan Washington Council of Governments (MWCOG) for various TCM strategies. |
| NCTCOG Sketch-Planning Methods
|
Sample calculations and empirical data from North Central Texas Council of Governments (NCTCOG) for TDM and traffic flow strategies. |
| Specialized Methods |
| Quick-HOV
|
Procedures and software to analyze impacts of HOV facilities. |
| IDAS
|
(Intelligent Transportation Systems (ITS) Deployment Analysis System) Software to analyze travel and emissions impacts of over 60 ITS strategies, based on regional travel model data. |
| SMART
|
(Simplified Model for the Assessment of Regional Travel) Software to estimate air quality impacts of highway and transit network improvements. |
| Traffic Simulation Models
|
Commercial software for analyzing traffic flow and emissions impacts of intersection and roadway operational improvements. |
| AirCred
|
Model for estimating emissions benefits of alternative fuel light-duty and transit vehicles. |
| Bus Replacement Spreadsheet
|
Spreadsheet for analyzing replacements of older buses with new diesel or alternative fuel buses. |
| Freight Air Quality Analysis Procedures
|
Report containing methods and procedures for assessing emissions impacts of freight strategies. |
