A PORTION OF NORTHBOUND HIGHWAY 101 WAS CLOSED THIS MORNING, AFTER A BIG-RIG CAUGHT FIRE NEAR BETABEL AND Y ROADS, JUST NORTH OF SAN JUAN BAUTISTA. THE 8:45 A.M. ACCIDENT OCCURRED WHEN THE BIG-RIG HIT THE CENTER DIVIDER. NO ONE WAS INJURED IN THE INCIDENT, AND ALL OF THE LANES RE-OPENED ABOUT 3 HOURS LATER.