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Title:

Representing Walking Activity in Trip-Based Travel Demand Forecasting Models: A Proposed Framework

Accession Number:

01518574

Record Type:

Component

Availability:

Transportation Research Board Business Office

500 Fifth Street, NW
Washington, DC 20001 United States

Abstract:

Support for improving the quality of the walking environment, including more investments to promote pedestrian travel, is growing. Metropolitan planning organizations (MPOs) are modifying regional travel demand forecasting models to better represent walking and bicycling and better address policy-relevant issues like air quality, public health, and the smart allocation of infrastructure and other resources. This paper describes an innovative, spatially-disaggregate framework to integrate walking activity into trip-based travel models. Designed for the Portland, Oregon, metropolitan area, the proposed method applies trip generation at a new micro-scale spatial unit: a 264 ft by 264 ft (80 m by 80 m) pedestrian analysis zone (PAZ). Next, a binary logit walk mode split model—using a new pedestrian environment measure—estimates the number of walk trips generated. Non-walk trips are then aggregated up to larger transportation analysis zones (TAZs) for destination choice, mode choice, and traffic assignment. Finally, there are opportunities for choosing destinations and for potential routing of the PAZ pedestrian trips. This framework would improve travel model sensitivity to policy- and investment-related walking influences, and it could operate as a standalone tool for rapid scenario analysis. Care must be taken when applying this method with respect to scalability, forecasting, and operational challenges.

Supplemental Notes:

This paper was sponsored by TRB committee ADB40(1) Emerging Methods. Alternate title: Representing Walking Activity in Trip-Based Travel Demand Forecasting Models: Proposed Framework.

Monograph Accession #:

01503729

Report/Paper Numbers:

14-4253

Language:

English

Corporate Authors:

Transportation Research Board

500 Fifth Street, NW
Washington, DC 20001 United States

Authors:

Singleton, Patrick A

ORCID 0000-0002-9319-2333

Muhs, Christopher D
Schneider, Robert J
Clifton, Kelly J

Pagination:

18p

Publication Date:

2014

Conference:

Transportation Research Board 93rd Annual Meeting

Location: Washington DC
Date: 2014-1-12 to 2014-1-16
Sponsors: Transportation Research Board

Media Type:

Digital/other

Features:

Figures; Maps; References

Subject Areas:

Pedestrians and Bicyclists; Planning and Forecasting; I72: Traffic and Transport Planning

Source Data:

Transportation Research Board Annual Meeting 2014 Paper #14-4253

Files:

TRIS, TRB, ATRI

Created Date:

Jan 27 2014 3:28PM