Awesome way to get dead in a hurry. Lead vehicle could straddle a 2X4 or a cinder block and it'd pop out right under your front tire. Could blow a tire and send the tread caps into your face. Could stop suddenly for some reason and you'd find your face flattened on the back of it. Etc...
You couldn't hear a dump truck driving through a nitro glycerin plant!
Badasses might screw with another badass. Nobody screws with a nut job.