This project examines the expected benefits of varying combinations of ITS applications: Freeway Service Patrol, Changeable Message Signs, and Ramp Metering. The research analyzes the simulated results of a stylized network in a microscopic traffic simulator. The traffic network includes parallel roadways, ramp meters and changeable message signs. We have tested these technologies in various combinations. We measure effectiveness as consumers' surplus and define a measure of inter-technology economies. In brief, it is found that additional technologies are sub-additive, and more benefits come from each technology in isolation than when it is bundled with other technologies.
Levinson, David, Seshasai Kanchi, and David Gillen (2002) Inter-technology Effects in Intelligent Transportation Systems. Transportation Research Record: Journal of the Transportation Research Board 1800 1-5.
California PATH Program,
California Department of Transportation
Levinson, David M; Kanchi, Seshasai; Gillen, David.
Inter-technology Effects in Intelligent Transportation Systems..
Transportation Research Board.
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