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Title:

Estimating Societal Benefits and Costs of Transportation Demand Management

Accession Number:

01090942

Record Type:

Component

Availability:

Transportation Research Board Business Office

500 Fifth Street, NW
Washington, DC 20001 United States

Abstract:

The 2006 Congestion Mitigation and Air Quality Improvement Program Interim Guidance (CMAQ) 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 resources 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). The model 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 methods, allows TDM programs across the U.S. using local data or opting for default values from national research findings, and calculating the costs and benefits of a given program. A key strength of this model is its wide range of impact measures that can be selected for the analysis that go beyond currently available spreadsheet applications, mostly limited to air quality improvement assessment.

Monograph Accession #:

01084478

Report/Paper Numbers:

08-2651

Language:

English

Corporate Authors:

Transportation Research Board

500 Fifth Street, NW
Washington, DC 20001 United States

Authors:

Concas, Sisinnio
Winters, Philip L

Pagination:

21p

Publication Date:

2008

Conference:

Transportation Research Board 87th Annual Meeting

Location: Washington DC, United States
Date: 2008-1-13 to 2008-1-17
Sponsors: Transportation Research Board

Media Type:

DVD

Features:

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

Subject Areas:

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

Source Data:

Transportation Research Board Annual Meeting 2008 Paper #08-2651

Files:

TRIS, TRB

Created Date:

Jan 29 2008 5:05PM