Journal
TRANSPORTATION RESEARCH RECORD
Volume -, Issue 2324, Pages 63-70Publisher
SAGE PUBLICATIONS INC
DOI: 10.3141/2324-08
Keywords
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Funding
- State of California Business, Transportation, and Housing Agency
- California Department of Transportation
- FHWA's Exploratory Advanced Research Program
- Nissan Technical Center North America
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This study used microscopic simulation to estimate the effect on highway capacity of varying market penetrations of vehicles with adaptive cruise control (ACC) and cooperative adaptive cruise control (CACC). Because the simulation used the distribution of time gap settings that drivers from the general public used in a real field experiment, this study was the first on the effects of ACC and CACC on traffic to be based on real data on driver usage of these types of controls. The results showed that the use of ACC was unlikely to change lane capacity significantly. However, CACC was able to increase capacity greatly after its market penetration reached moderate to high percentages. The capacity increase could be accelerated by equipping non-ACC vehicles with vehicle awareness devices so that they could serve as the lead vehicles for CACC vehicles.
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