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Title:

Estimating Societal Benefits and Costs of Transportation Demand Management

Accession Number:

01139030

Record Type:

Component

Availability:

Transportation Research Board

500 Fifth Street, NW
Washington, DC 20001 United States

Abstract:

The 2006 Congestion Mitigation and Air Quality Improvement (CMAQ) Program Interim Guidance provides explicit guidelines to program effectiveness assessment and benchmarking by calling for a quantification of benefits, as well as disbenefits, resulting from emission reduction strategies for project selection and evaluation of transportation demand management (TDM) initiatives. To address this issue, the Florida Department of Transportation (FDOT) commissioned a study with the objective of developing a model that permits program managers and funding agencies like FDOT to make informed decisions on where to spend finite transportation dollars based on a full range of benefits and costs. In this paper we summarize the design and development of a spreadsheet application called TRIMMS (Trip Reduction Impacts of Mobility Management Strategies), that combines academic and practitioner experiences within a theoretical framework that truly captures consumers’ price responsiveness to diverse transportation options by embracing the most relevant trade-offs faced under income, modal price and availability constraints. We show that TRIMMS, while retaining comparability and consistency with other benefit to cost analyses, allows TDM programs across the U.S. using local data or opt to use defaults from national research findings, select the benefits and costs of interest, and calculate the costs and benefits of a given program. A key strength of this model is its wide range of benefits and costs that can be selected for the analysis that go beyond currently available spreadsheet applications limited to air quality improvement assessment.

Monograph Accession #:

01138544

Language:

English

Corporate Authors:

Transportation Research Board

500 Fifth Street, NW
Washington, DC 20001 United States

Authors:

Concas, Sisinnio
Winters, Philip L

Pagination:

16p

Publication Date:

2008

Conference:

11th National Conference on Transportation Planning for Small and Medium-Sized Communities

Location: Portland OR, United States
Date: 2008-9-17 to 2008-9-19
Sponsors: Transportation Research Board; Federal Highway Administration

Media Type:

CD-ROM

Features:

Figures (1) ; References (19) ; Tables (3)

Subject Areas:

Highways; Planning and Forecasting; Policy; I72: Traffic and Transport Planning

Files:

TRIS, TRB

Created Date:

Aug 24 2009 1:25PM