Bulletins (AUSTIN) I-35 IN BOTH DIRECTIONS AT FM 1327 MAJOR ROAD CONSTRUCTION . SOUTHBOUND LANES WILL BE CLOSED STARTING AT 9PM FRIDAY. THE NORTHBOUND LANES WILL BE SHUT DOWN AT ABOUT NOON SATURDAY. ALL TRAFFIC WILL BE DETOURED TO THE FRONTAGE ROAD, AND ALLOWED BACK ON AFTER THE 1327 OVERPASS. ALL LANES WILL RE-OPEN BY 5AM MONDAY