So, why do they put gravel on paved roads anyway?
If you've ever driven down a perfectly smooth street only to hit a sudden patch of loose stones, you've probably wondered why do they put gravel on paved roads in the first place. It's a frustrating experience for any driver. You're cruising along, and suddenly it sounds like a machine gun is firing at your wheel wells, and you're terrified that a stray stone is going to crack your windshield or ruin your paint job. ...