Simulation results indicated that vehicle emissions could be reduced by two percent if arterial traffic flow data were included in the traveler information system in Seattle, Washington.
Date Posted
09/21/2000
Identifier
2007-B00365
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Modeling was used to estimate the potential impacts of incorporating arterial traffic flow information into an Advanced Traveler Information System used to provide freeway traveler information. The system design would allow motorists to make more informed decisions about whether to divert from a congested freeway to an adjacent arterial.

FINDINGS

Researchers estimated that the system would reduce vehicle emissions by two percent.

The Seattle metropolitan area had a considerably high level of ITS implementation prior to the MMDI projects, therefore the experiences of localities implementing these systems under differing conditions may vary significantly from those reported in Seattle.