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We now have two positive reviews of the Charlotte Motor Speedway road course.

Following AJ Allmendinger‘s comments back in January, IndyCar legend Mario Andretti has shared his thoughts on the 2.4-mile circuit that will likely host a NASCAR Cup race in fall 2018.

As a guest of the track and the NASCAR Racing Experience, the 77-year-old driver piloted two cars – a 2015 Porsche 918 Spyder Hybrid and a 2017 Cadillac CTS-V. Andretti maxed out at 177 mph in the Porsche.

“It’s very difficult sometimes to really create a road course where you can ‘stretch your legs’ inside an oval,” Andretti said in a press release. “From that standpoint, I think they did a good job by giving it rhythm by putting some banking to the hairpin corners – which obviously invites some overtaking. It’s wide enough that you can choose a line. You’re not really trapped. … It’s got a multiple-line (groove) that you can choose from, depending on the capability of the car.”

The “roval” circuit would use most of the 1.5-mile oval NASCAR already competes on.

Allmendinger took part in a data test on the road course in mid-January and later said it “was a lot of fun.”

Earlier this month, Speedway Motorsports Inc. CEO Marcus Smith said the track “learned a lot” from the test.

“We have done a lot to engineer a world-class road course that would include the ‘roval,'” Smith told NBC Sports, adding that “several truckloads of crash walls and catchfence” were being transported in for installation.

The Cup Series has two road courses on it schedule, at Sonoma Raceway in California and Watkins Glen International in New York.

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