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National Smart Transportation Archive Researcher
The objective of the National Smart Transportation Archive
Researcher (NSTAR) is to develop an online, updatable, easily
searchable database of case studies reliably documenting the
effective use of transportation demand management (TDM)
strategies to reduce vehicle miles traveled (VMT) and single
occupant vehicle (SOV) mode share. The database is intended for
use by transportation professionals and worksite employee
transportation coordinators to develop and improve the
effectiveness of their own programs for the purposes of reducing
traffic congestion and improving air quality. The database is
located on the Help Desk of the National TDM and Telework
Clearinghouse at
http://www.nctr.usf.edu/clearinghouse. A Best Practices
Guide was also prepared, which features 12 in-depth case studies
of some of the most effective worksite trip reduction programs,
These worksites are located in Washington State and the case
studies were developed from data of the Washington State
Department of Transportation Commute Trip Reduction Program and
interviews with worksite employee transportation coordinators.
These 12 worksites were selected from among 56 worksites that
demonstrate a continuing performance trend of reduced VMT and
SOV during the program years. The development of these worksite
profiles employed a qualitative exploratory case study approach,
which seeks to obtain a comprehensive understanding of the
impacts of a given worksite trip reduction program taken as a
whole and in its context. The case studies identified external
factors, which are outside the control of the worksite, and
internal factors, which are within the control of the worksite,
that influenced program success. The study hypotheses was that
internal worksite conditions can overcome adverse or
unsupportive external conditions if the worksite trip reduction
program is explicitly supported by the worksite management and
nature of the business also supports program success. All case
studies were located within a mandatory regulatory environment
requiring worksites to participate and produce results. This had
the effect of guaranteeing some degree of management support to
compare against generally adverse conditions of limited transit
opportunities and plentiful parking conditions. Study results
found evidence to suggest that worksite management support can
overcome adverse external conditions; however, this support is
more forthcoming when the outcome of a trip reduction program is
aligned with business objectives.
A copy of the final report is
available here in pdf format, and in
HTML format. For more information,
contact Sara Hendricks at
hendricks@cutr.usf.edu.
01.04.07
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813.974.5168 fax