New technology in the offing: V2V and V2I communication to prevent car crashes


If the National Highway Traffic Safety Administration (NHTSA) gets its way, cars will be able to “talk” to each other to avoid a wreck.

The NHTSA recently proposed a rule mandating that automakers include V2V technologies in all new light-duty vehicles. It proposes requiring V2V devices to “speak the same language” through standardized messaging. In proposing its plan, the U.S. Department of Transportation believes that this communications technology could prevent hundreds of thousands of crashes each year.

In a related development, the Department’s Federal Highway Administration plans to issue guidance for Vehicle-to-Infrastructure (V2I) communications. This would allow transportation planners to  integrate the technologies allowing vehicles to communicate with such roadway infrastructure as traffic lights, stop signs and work zones. The hope is that this would improve mobility, reduce congestion and improve safety on the road.

“Advanced vehicle technologies may well prove to be the silver bullet in saving lives on our roadways,” said NHTSA Administrator Mark Rosekind. “V2V and automated vehicle technologies (like V2I) each hold great potential to make our roads safer, and when combined, their potential is untold.”

How would V2V and V2I work?

According to a press release issued by the NHTSA, “V2V devices would use the dedicated short range communications (DSRC) to transmit data, such as location, direction and speed, to nearby vehicles. That data would be updated and broadcast up to 10 times per second to nearby vehicles, and using that information, V2V-equipped vehicles can identify risks and provide warnings to drivers to avoid imminent crashes. Vehicles that contain automated driving functions—such as automatic emergency braking and adaptive cruise control—could also benefit from the use of V2V data to better avoid or reduce the consequences of crashes.”

“V2V communications can provide the vehicle and driver with enhanced abilities to address additional crash situations, including those, for example, in which a driver needs to decide if it is safe to pass on a two-lane road (potential head-on collision), make a left turn across the path of oncoming traffic, or determine if a vehicle approaching an intersection appears to be on a collision course. In those situations, V2V communications can detect developing threat situations hundreds of yards away, and often in situations in which the driver and on-board sensors alone cannot detect the threat.”

NHTSA believes that implementation of V2V and V2I communication could eliminate or mitigate the severity of up to 80 percent of non-impaired crashes.

Stay tuned to see if the rules and plans receive approval. This is a whole new world!

I’d be really interested to see what you think about such advanced technology. Are you “fir or agin”?

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