DRIVER AND PASSENGER WERE TRAVELING EAST ON THE PLANT ROAD SOUTH OF GBH8 IN A COMPANY PICKUP. DUE TO DIRTY WINDSHIELD AND MORNING SUN, DRIVER VEERED OFF ROADWAY AND STRUCK A LARGE ROCK. DRIVER SUSTAINED BRUISES THAT DID NOT REQUIRE MEDICAL ATTENTION. PASSENGER STRUCK WINDSHIELD AND DASHBOARD CAUSING BRUISES TO FACE AND A CUT ABOVE HIS RIGHT EYE REQUIRING STITCHES.