It has a bumpy concrete surface, a change from the circuit's asphalt tracks, and plenty of grooves.

Though McDuffie was an expert dirt track racer, he never met with much success on asphalt tracks.

The track was paved as an asphalt track in April 1970.

Circling it is the asphalt track built in 2000.

Many of the cars may also race on asphalt short tracks during the racing season.

At some point, the long cracks that snake through the asphalt track were shored up with tar.

This asphalt track, just under a half mile, has about 75 spots next to the fence.

The asphalt track is a long 1/2 mile (0.54 mi) with high 30-degree banking in the turns.

Joggers trod on the asphalt track where the morning before more than 1,300 soldiers had scattered in pandemonium when the shooting broke out.

Although the concrete has been smoothed, it has less grip than an asphalt track.