Honda Motor Co. has fitted a downtown Marysville intersection with cameras, computers and artificial intelligence that can warn equipped vehicles of a jaywalker out of sight around a corner or a speeding car about to run a red light.

But engineers could not predict how much time and money it will take before every intersection is similarly “smart” and standard equipment in a vehicle includes phone-sized displays that flash a warning and politely announce, “Pedestrian crossing; check your surroundings.”

Honda R&D Americas Inc., the carmaker’s research arm, demonstrated the system to Gov. John Kasich and other officials Thursday. There’s still a lot of research to be done, and the carmaker has started talks with city officials and the Ohio Department of Transportation on other places to test smart intersections.
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