That happens a lot since I drive a lot slower on dirt/gravel specifically to keep the dust down.
There was a driver who requested a fan to be installed to help pressurize the cab and the mechanic drug his feet installing it. The driver went 15mph MAX on gravel so dust wouldn't kick up and he has a 300+ mile route. I can't remember how many he brought back missed, but it was impressive. Center manager made calls to automotive, the driver got a truck with a fan in it the next day, and there was a fan installed in his package car by the following Monday.