Record Display for the EPA National Library Catalog


Main Title COMMUTER v2.0 model coefficients.
CORP Author Environmental Protection Agency, Washington, DC.
Publisher Transportation and Regional Programs Division, Office of Transportation and Air Quality, U.S. Environmental Protection Agency,
Year Published 2005
Report Number EPA-420-B-05-019
Stock Number PB2006-101089
OCLC Number 70253483
Subjects Commuting--United States--Computer simulation ; Commuting--Environmental aspects--United States
Additional Subjects Commuting patterns ; Trip distribution models ; Modal choice ; Travel time ; Travel patterns ; Computerized simulation ; Transporatation management ; Travel demand ; Traffic flow ; Computerized travel forecasting ; Computerized routing ; Impact ; Transportation planning ; Urban transportation ; Data analysis ; Coefficients ; Statistical analysis ; Transportation models ; COMMUTER computer model ; Spreadsheets
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
ELCD  EPA 420-B-05-019 NVFEL Library/Ann Arbor, MI 07/07/2006 STATUS
NTIS  PB2006-101089 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 11 pages : digital, PDF file
The travel impacts calculated in the COMMUTER Model are based on logit mode-choice coefficients. The COMMUTER Model impacts are highly sensitive to the values of these coefficients, which are used to predict mode share changes in response to changes in travel time and cost associated with transportation control programs. Given this high degree of sensitivity, it is important that COMMUTER Model users understand the basis for these coefficients and how they are validated and used in transportation modeling. Potential users of the model should evaluate the influence of the coefficients, perform sensitivity tests to understand their impacts, and verify that there is consistency among the coefficient values used in related transportation planning models and the coefficient values used in this model for the city or local area being analyzed. The purpose of this discussion is to educate users about these issues.
Title from title screen (viewed on July 6, 2006). "October 2005." "EPA420-B-05-019." Includes bibliographical references.