Columbus will transform its innovation hub into a nonprofit following the completion of a five-year grant program.

Transportation Secretary Pete Buttigieg says the U.S. must address its maintenance backlog on rails, roads and bridges before testing out new technology "for its own sake."

"Smart" traffic signals, pedestrian counters and other connected vehicle and infrastructure projects were recently funded by the Federal Highway Administration.

The National Highway Traffic Safety Administration launched a new online map this week, designed to spur public interest in autonomous vehicles and encourage intergovernmental collaboration.