Input (grade 10): The freeway then runs along a viaduct through HÄ lawa Valley for about 6 m until it reaches the Tetsuo Harano Tunnels through the Ko 'olau Mountains.
Output (grade 5): The highway then runs along a viaduct through Halawa Valley for about 6 miles. It then goes through the Tetsuo Harano Tunnels through the Koolau Mountains.