Driving on bald tires is bad. You know that, we know that. But what about it exactly is so bad?
Well, if you've been driving on bone-dry California roads, it could be worse. The purpose of tire tread is to give water a place to go, so it doesn't come between the rubber and the road. Tread can also provide grip on loose dirt, sand, or gravel, but on a flat, dry tarmac, you might not notice a huge difference.
And that's dangerous.
Because as soon as a cloud bursts overhead and the rains finally come, if…