If all automakers equip models with V2V, it "will not only help drivers get to their destinations more safely and efficiently, but also help lay the foundation for future connected and automated driving systems", said Jim Lentz, CEO of Toyota North America.
Toyota is hoping to adopt this short-range communication system across most of its United States new vehicle portfolio by the mid-2020s and that other manufacturers will then do the same.
The data is broadcast up to 10 times per second to nearby vehicles, which can identify risks and provide warnings to avoid imminent crashes, especially at intersections.
Some examples used to hype the system's capabilities are its planned functions in providing "helpful real-time information to drivers" like warning about slow or stopped vehicles, signals, signs, bad road conditions are anything else that "may be hard to see".
In December 2016, the US Transportation Department released a proposal for V2V communications, setting the requirements for the deployment of the technology. The proposal is for all auto manufacturers to have a common language and a standardized system, the way we have Bluetooth.
"Talking" vehicles, which have been tested in pilot projects and by USA carmakers for more than a decade, use dedicated short-range communications to transmit data up to 300 metres, including location, direction and speed.
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Toyota says their DSRC system will use seven channels of the 5.9 GHz spectrum band that has been allocated for Intelligent Transportation Systems. Toyota will be hoping that standard is eventually the one it already operates and that other markets will then follow suit.
In 2017 General Motors Co began offering vehicle-to-vehicle technologies on its Cadillac CTS model, but it is now the only commercially available vehicle with the system. DSRC technology, which has been comprehensively tested through government-industry collaborations and is already deployed in some areas of the U.S., supports the broadcast of precise anonymized vehicle information several times per second, including location, speed and acceleration.
The National Highway Traffic Safety Administration said a year ago the regulation could eventually cost between $135 and $300 per new vehicle, or up to $5 billion annually but could prevent up to 600,000 crashes and reduce costs by $71 billion annually when fully deployed.
Toyota said as the technology does not require cellular or data network, vehicles equipped with DSRC do not incur any cellular network carrier charges.
When the Transportation Department released the proposal, it highlighted that the technology could prevent or mitigate 80 percent of vehicle crashes not influenced by driver impairment.
However, the push for V2V communications has stalled under the Trump administration.