INDIANAPOLIS — State highway officials are planning complete closures lasting 15 days for a section of Interstate 65 on the northwest side of Indianapolis. The Indiana Department of Transportation said it will shut down the northbound and southbound lanes during separate periods to mill and repave the roadway. The first closure will be of I-65 northbound between its interchanges with Interstate 465 and Interstate 865 starting 9 p.m. June 14 until July 1. Closure of the southbound lanes is scheduled from July 12 until July 29. The highway department recommends drivers follow a detour using I-465 and I-865 during the closures.