EMERGENCY MEDICAL TECHNICIANS TREAT GEORGIA BURRASTON, 59, SALT LAKE CITY, WHO WAS HIT BY A TRUCK WHILE IN A CROSSWALK AT 50 W. FIRST SOUTH. BURRASTON WAS TAKEN TO LDS HOSPITAL IN SERIOUS CONDITION, SUFFERING FROM A HEAD INJURY. HER CONDITION WAS UPGRADED FRIDAY EVENING TO FAIR. SALT LAKE POLICE OFFICER BROCK YOUNG SAID BURRASTON WAS RUNNING NORTH IN THE CROSSWALK ABOUT 1 P.M. WHEN SHE WAS STRUCK IN THE OUTSIDE WESTBOUND LANE BY DOUGLAS R. NELSON, 39, IDAHO FALLS. YOUNG SAID HE IS AWAITING THE RESULTS OF BLOOD TESTS BEFORE DECIDING WHETHER TO CITE NELSON.