Journal
IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS
Volume 23, Issue 1, Pages 522-536Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TITS.2020.3012678
Keywords
Merging; Traffic control; Road transportation; Throughput; Real-time systems; Cruise control; Safety; Connected automated vehicles (CAV); bundled CAV applications; managed lanes; cooperative adaptive cruise control (CACC); cooperative merge; speed harmonization
Categories
Funding
- U.S. Department of Transportation [DTFH61-12-D-00020]
- National Science Foundation [CMMI 1234936]
Ask authors/readers for more resources
The purpose of this study is to define the operational concept of connected automated vehicle (CAV) operation on freeway managed lanes. Through microscopic simulation, the study examines the effectiveness of CAV applications, including cooperative adaptive cruise control (CACC), cooperative merge, and speed harmonization, under different penetration rates. Simulation results show that these applications can improve system throughput and reduce delay, with speed harmonization having the greatest effects on delay reduction at medium-to-high penetration rates.
The purpose of this study is to define an operational concept involving connected automated vehicle (CAV) operation on freeway managed lanes. Despite the low projected market penetration of CAVs during the next decade, the use of managed lane facilities has the potential to support the realization of increased mobility benefits by their very nature. The proposed CAV operation involves platoons of equipped vehicles governed by integrated CAV applications, including cooperative adaptive cruise control (CACC), cooperative merge, and speed harmonization. This study proposes an algorithm for integrating CAV applications. Through microscopic simulation, the study particularly examines the effectiveness of CACC, CACC plus cooperative merge, and the addition of speed harmonization under different penetration rates. Simulation results show the effectiveness of the bundled application to enhance system throughput and reduce delay, even with low CAV penetration rates. The speed harmonization shows the greatest effects on delay reduction at medium-to-high penetration rates and some benefits even at low penetration rates. The conclusions provide operational insights and guidance for traffic management centers to implement CAV-based traffic control in the future.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available