Next in ADAS? FHWA Announces Vehicle-to-Infrastructure Guidance


U.S. Transportation Secretary Anthony Foxx announced January 19 new Federal Highway
Administration (FHWA) Vehicle-to-Infrastructure (V2I) guidance that can improve safety and mobility by accelerating the deployment of V2I communication systems.

The guidance complements the Department’s efforts to reduce crashes by advancing (Vehicle-to-Vehicle) V2V communication technology announced in a proposed rule in December.

“V2I will make our roads safer and save lives,” Foxx said. “This is an important step in deploying a connected vehicle environment.”

V2I communication is a system of hardware, software, firmware and wireless communication that enables the dynamic transfer of data between vehicles as well as between vehicles and elements of the roadway infrastructure.

“In addition to improving safety, vehicle-to-infrastructure technology offers tremendous mobility and environmental benefits,” said Gregory Nadeau, FHWA administrator.

Already, some car manufacturers are developing their own V2I systems. In December 2016 in Las Vegas, Audi launched its Traffic Light Information system, which enables a car to communicate with the infrastructure in select cities and metropolitan areas across the U.S. The car receives real-time signal information from the advanced traffic management system that monitors traffic lights via the on-board 4G LTE data connection.

When approaching a connected traffic light, Traffic Light Information displays the time remaining until the signal changes to green in the driver instrument cluster, as well as the head-up-display (HUD), if equipped. FHWA developed the V2I Guidance to assist transportation system owners/operators as they deploy V2I technology. The Guidance can help transportation agencies and tollway authorities understand what a decision to deploy V2I technology could mean to their region, prepare for emerging V2I/V2V technologies and leverage federal-aid funds to deploy them. The guidance is available at

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