Its southern terminus is at Interstate H-1 in Pearl City , and its northern terminus is at Wilikina Drive ( Route 99 ) in WahiawÄ near Schofield Barracks and Wheeler Army Airfield . Its southern terminus is at Interstate H-1 in Pearl City , and its northern terminus is at Wilikina Drive ( Wahiawa Bypass ) ( Route 99 ) in WahiawÄ near Schofield Barracks and Wheeler Army Airfield .