Yep, they sure do!!! I drove the 85 K30 to anther town just away from home and there was a crew laying oil and gravel down on the roads. Since it was the only way to get into town, I drove (and many others) right over that freshly laid oil and gravel. We were following the pilot car too. I got home later and today washed the truck to find TAR all over the truck!!!!! I'm pissed!! There is tar all over the sides, some on the hood and roof, some on the Weld wheels, and just about everywhere in little specs!!! Time to sue the county, huh?!?! Anybody planning on checking out my homepage, forget it, I am still working on it!!!