A SOLO CAR CRASH CLOSED A LAND ON SOUTHBOUND HIGHWAY 17 YESTERDAY AFTERNOON. OFFICIALS SAY THREE 18-YEAR-OLD WOMEN WERE TRAVELLING FROM SCOTTS VALLEY WHEN THE DRIVER CRASHED THROUGH THE GUARDRAIL AND FLIPPED HER CAR BEFORE 1 P-M. THE DRIVER WAS TRANSPORTED TO A BAY AREA HOSPITAL WITH SERIOUS INJURIES. THE TWO PASSENGERS SUSTAINED MINOR INJURIES.