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The Federal Highway Administration has made a major shift in its
role in microsimulation modeling of traffic flow. While
previously supporting the development of the CORSIM model, FHWA
is now focusing its resources on the development of core driver
behavior algorithms and the supporting data sets representing
driver behavior in a range of traffic environments.
The NGSIM program has identified a set of priority algorithms
for arterial operations that are yet to be developed. These
algorithms include starting/stopping behavior and permitted left
turns at signalized intersections
Researchers at NIATT are working to develop new insights on the
operation of traffic along arterials, particularly driver
behavior at the beginning and end of green. The project is using
high resolution data sets from California, Georgia, and Idaho to
develop improved algorithms for the starting and stopping of
queues at signalized intersections. This project supports the
FHWA’s goals of reaching out to the university community in
general to support FHWA’s research program and specifically to
support FHWA’s NGSIM program.
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Transportation
Research Board meeting in Washington, DC, in January 2009.
