Researchers at California Partners for Advanced Transportation Technology (PATH), a research and development program at the University of California-Berkeley, studied the potential benefits of cooperative adaptive cruise control (CACC) by deploying the technology in a platoon of three trucks. They built the CACC system and implemented it in three long-haul trucks, tested it on closed tracks and open highways, simulated its use in real traffic scenarios, and demonstrated its use to stakeholders and interested parties. CACC uses dedicated short-range communication and other technology components to enable vehicles to "talk" to each other. It has the potential to add stability to traffic flow, alleviate congestion, and reduce fuel use and vehicle emissions—all while improving safety on America's roads. This study is available from the US FHWA at https://www.fhwa.dot.gov/publications/research/ear/19028/19028.pdf
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