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I don't think with safety, noise and pollution of the cars they can race with any dome.

But what they can do is something like the Skydome in Toronto. When it rains they flip the switch and the field is covered. If it rains like last night, park the cars so there's no noise/fumes and flip a switch to cover the track so it doesn't get wet.

You can't race but the track is dry. When it stops they lift the cover. It might only work at the small tracks though like Bristol/Martinsville which doesn't take long to dry anyways.