Cited by 887Traffic control and managementHuman-Automation Interaction and SafetyTraffic and Road Safety

Impacts of cooperative adaptive cruise control on freeway traffic flow

Shladover, Steven E., Su, Dongyan, Lu, Xiao-Yun·2012·Transportation Research Record: Journal of the Transportation Research Board

Abstract

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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Crossref · 10.3141/2324-08

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17 of 17 references verified0 citation errors · 0 not checkable

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  • Driverless vehicles in communication with each other will be able to safely reduce the distance between vehicles because all members of the resulting convoy will be able to brake or accelerate simultaneously as required.

    “Driverless vehicles in communication with each other will be able to safely reduce the distance between vehicles because all members of the resulting 'convoy' will be able to brake or accelerate simultaneously as required (Shladover et al., 2012; Fagnant and Kockelman, 2015a, p. 170; Gordon and Lidberg, 2015, p. 970).”

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Authors
Shladover, S. E., Su, D., & Lu, X.-Y.
Affiliations
University of California, Berkeley (US)
Corresponding author
Shladover, Steven E.
Venue
Transportation Research Record: Journal of the Transportation Research Board
Published
2012-01
Volume
2324
Issue
1
Pages
63-70
ISSN
  • 0361-1981 (ISSN-L)
  • 2169-4052
OpenAlex
W1991095535
Cited by
887
References
17
Citations by year
2026: 53 · 2025: 78 · 2024: 77 · 2023: 84 · 2022: 98 · 2021: 118 · 2020: 109 · 2019: 85 · 2018: 70 · 2017: 50 · 2016: 31 · 2015: 23 · 2014: 6 · 2013: 4
FWCI
15.30
Type
journal article
Language
en
Open access
closed
Locations
Transportation Research Record Journal of the Transportation Research Board (publishedVersion)
Topics
  • Physical Sciences › Engineering › Control and Systems Engineering › Traffic control and management
  • Social Sciences › Psychology › Social Psychology › Human-Automation Interaction and Safety
  • Physical Sciences › Engineering › Safety, Risk, Reliability and Quality › Traffic and Road Safety
Keywords
cooperative adaptive cruise control, adaptive cruise control, freeway traffic flow, road capacity, market penetration, microscopic traffic simulation, lane capacity, driver behavior

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