01041097

Component

https://doi.org/10.3141/1981-07

http://scholar.google.com...dley&publication_year=2006

Travel demand modeling today is undergoing a transition from the conventional four-step models to a new generation of advanced activity-based models. The new generation of travel models is characterized by such distinctive features as the use of tours instead of trips as the base unit of travel, the generation of travel in the framework of daily activity agendas of individuals, and the use of fully disaggregate microsimulation techniques instead of the aggregate zonal calculations. Although the theoretical advantages of activity-based models—in particular, behavioral realism and consistency across all travel dimensions—are well known, the practical advantages in the context of planning decisions have rarely been discussed and documented. Experiences to date are summarized for application of activity-based models for various planning purposes in metropolitan regions of New York City; Columbus, Ohio; Atlanta, Georgia; San Francisco, California; and Montreal, Canada. The focus is on the practical planning questions and policies that were analyzed with these models and their relative strengths and advanced features compared with the four-step models. The planning questions and policies include congestion pricing schemes, high-occupancy-vehicle facilities, parking policy, testing impacts of demographic scenarios, and so on. It is shown that activity-based models are capable of treating these planning and policy issues at the level at which four-step models become inadequate.

01041099

English

pp 34-41

2006

Transportation Research Record: Journal of the Transportation Research Board

0309099919

Print

Figures (2) ; References (12) ; Tables (2)

Bus and high occupancy vehicle facilities; Congestion pricing; Decision making; Demographics; Disaggregate analysis; Metropolitan areas; Microsimulation; Parking; Transportation planning; Transportation policy; Travel demand

Activity-based models; Daily activity plans; Tour-based models

Atlanta (Georgia); Columbus (Ohio); Montreal (Canada); New York (New York); San Francisco (California)

Highways; Planning and Forecasting; Policy; Public Transportation; Society; I72: Traffic and Transport Planning

TRIS, TRB, ATRI

Jan 25 2007 10:19AM

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