GENOA — The camera mounted on a bar across its cab's roof and some extra sensors mounted at various points around its perimeter are the clues that "Otto" is no ordinary truck tractor.

The California-based test bed for a self-driving truck made a test run across the Ohio Turnpike today, one day after a demonstration run in southern Ohio, and it made a media stop at a service plaza near Genoa.

But don't call it a "driverless" truck just yet; the two representatives of the company working on this particular model say that while full automation is possible in the far-off future, the system being developed by OttoMotto LLC doesn't come close to doing everything a truck driver does.

What it does is use cameras, radar, and lasers to track pavement markings, other traffic, and any obstacles in the roadway to maintain and change lanes and adjust speed as needed on superhighways.

“As the technology develops, this will improve truck drivers’ lives and help them make more money,” said Walter Martin, who drove 9-1/2 years as a truck owner-operator before hiring with OttoMotto in August to be one of its test drivers.

First Published December 1, 2016, 7:14 p.m.