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1.2 miles

Length of the six-lane, high-speed “smart” intersection that companies and researchers are using to test driverless vehicles in Ohio. It's touted as the industry's longest.

Length of the six-lane, high-speed “smart” intersection that companies and researchers are using to test driverless vehicles in Ohio. It's touted as the industry's longest.

Caroline Cournoyer is GOVERNING's senior web editor.