The tunnel is narrower than in the open canal ... We have a newsletter all about Hawaii, with news, tips and in-depth features from the Aloha state. Sign up here.

Question: Both of the short tunnels on Pali Highway are in the dark, and the sign announcing the outage has also gone missing ...

For a unique way to experience the tropical mountains of Hawaii, head to Kaua'i for a one-of-a-kind open-air tunnel tubing ...

State officials say Diamond Head State Park is scheduled for temporary closures on most weekdays in March and April for rockfall mitigation work.

He’s the president of the Cave Conservancy of Hawaii, a nonprofit trust that has been buying up land in and around Ocean View to preserve the tunnels that lie beneath. Wearing helmets ...

For more information on Tunnels Beach and other snorkeling hot spots, visit the Hawaii Tourism Authority's website. Hughes 500 4-Passenger Doors-Off Helicopters (1471 reviews) ...

An accident in the Tetsuo Harano Tunnel this afternoon has caused traffic to be delayed on the H-3 in the Halawa direction. ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM HST TUESDAY ...

Still no word on any injuries at this time. The H-3 Freeway Kaneohe bound lanes are closed at Harano Tunnel due to a vehicle fire. The Hawaii Department of Transportation reports the vehicle fire ...

Hawaii's famous Diamond Head State Monument will require full park closures in March and April because of an ongoing ...