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PUBLICATION
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MTI Report 04-02
Modeling Long-Range Transportation and Land Use Scenarios for the Sacramento Region, Using Citizen-Generated Policies
Principal Investigator: Robert A. Johnston
The
purpose of this report is to present results from policy scenarios run with
the third installment
of the MEPLAN model in the Sacramento region. These policy scenarios were obtained
via outreach work with two Sacramento-based citizens groups: the
Environmental Council
of Sacramento (ECOS) and Sacramentans for Transportation Equity (SAC-TE).
It was anticipated
that by giving these citizens groups access to the model, a greater
diversity of policies
would be evaluated and greater weight would be given to their positions.
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ABSTRACT
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The
Sacramento, California region engaged in an innovative long-range visioning process
during 2004 and 2005 in which the regional transportation planning agency defined
and modeled several 50-year growth scenarios. The authors of this report worked
with environmental and social equity community groups to define policies that
would reduce emissions, serve lower-income travelers better, and preserve habitats
and agricultural lands in the region. The community groups rejected the new freeways
planned for the region, as well as the substantial freeway widenings for
HOV lanes.
In addition, they defined a more ambitious transit system, involving new
bus rapid
transit lines and shorter headways for all rail and bus service. This
transit-only plan
was modeled by itself, and with a land use policy for an urban growth
boundary and
a pricing plan for higher fuel taxes and parking charges for work trips.
Using a new
version of the MEPLAN model to simulate these scenarios over 50 years, the authors
describe their findings regarding total travel, mode shares, congestion, emissions,
land use changes, and economic welfare of travelers.
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ABOUT
THE AUTHORS
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ROBERT A. JOHNSTON
Robert A. Johnston is a professor in the Department of
Environmental Science and Policy at the University of California at Davis, where he also serves as a
faculty researcher at UCD’s Institute of Transportation Studies. Current consulting involves the
evaluation of regional travel demand models and land use models for public and private
clients and reviews of environmental assessments of large projects. He has been an
expert witness in several NEPA lawsuits. Johnston’s current research projects include the
evaluation of transportation policies using advanced regional travel demand models. He also is
performing research using an integrated urban model of the Sacramento region. Another recent
project was a comparison of three urban models on the same datasets for that region. Johnston’s GIS-based urban growth
model is being applied to several counties in California for the
California DOT.
SHENGYI GAO
Shengyi Gao is a Ph.D. candidate in the Transportation Technology
and Policy Graduate Group at the University of California, Davis. His research
interests include the relationships between land use and transportation, transportation equity, urban
growth modeling, and application of geographic information system technology in
transportation and land use planning.
MICHAEL J. CLAY
Michael J. Clay is a Ph.D. candidate in the Transportation
Technology and Policy Graduate Group at the University of California, Davis. He has published
work on travel behavior, travel demand management, and project impact assessment. His research
interests include transportation planning and policy, integrated land use and
transportation modeling, urban policy analysis, and land
use planning.
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TECHNICAL
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MTI Report 04-02
Modeling Long-Range Transportation and Land Use Scenarios for the Sacramento Region, Using Citizen-Generated Policies
Principal Investigator: Robert A. Johnston
Published: May 2005
Keywords: Advisory groups; Travel behavior; Transportation planning; Urban
planning; Urban transportation policy
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MTI Report 04-02
Modeling Long-Range Transportation and Land Use Scenarios
for the Sacramento Region, Using Citizen-Generated Policies
Principal Investigator: Robert A. Johnston
Published: May 2005
Keywords: Advisory groups; Travel behavior; Transportation planning; Urban planning; Urban transportation policy
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