Communications of the ACM
New Era in Safety When Cars Talk to One Another
A warning light flashes on a rearview mirror to signal when a driver ahead stops.
Credit: The New York Times
The U.S. Department of Transportation this week announced a plan to eventually require that vehicle-to-vehicle (V2V) communications systems be installed in all U.S. cars and trucks. V2V systems are composed of transmitters that send and receive information such as speed, direction, and location to one another, which can be translated into alarms and advice on a driver's dashboard. For example, if a car unexpectedly brakes hard several vehicles ahead of a driver, an alarm could sound letting the driver know of the need to break to avoid a collision.
V2V systems currently are being developed in Ann Arbor, Mich., where the University of Michigan Transportation Research Institute, along with several automakers, is running a pilot program on V2V systems that could be installed in any vehicle on the road today. The systems, currently being tested in about 3,000 vehicles that are driven along 70 miles of roadway, also communicate with infrastructure such as traffic lights, so that when a car approaches a green light, the system informs the driver how many seconds are left before the light changes. Car makers see such systems as the future and are hiring mathematicians and computer scientists to help design and implement them.
From The New York Times
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