U.S. DOT mandates vehicle-to-vehicle communication on light vehicles

The U.S. Department of Transportation (DOT) has issued a notice of proposed rulemaking that would require automakers to include vehicle-to-vehicle (V2V) communication technology on all new light-duty vehicles, enabling crash-avoidance applications that, once fully deployed, could prevent crashes by helping vehicles “talk” to each other through standardized messaging. The rule would also require extensive privacy and security controls in any V2V devices.

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 could identify risks and provide warnings to drivers. 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.

The notice of proposed rulemaking will be open for public comment for 90 days. For more information, download the  NHTSA Notice of Proposed Rulemaking on V2V Communications.