HEC's Main Office

ADDRESS

2682 Waiwai Loop
Honolulu, Hawaii 96819

GETTING TO HEC’s MAIN OFFICE

From Downtown or East Oahu:

Take Nimitz Hwy. (Hwy.#92) ewa (west) under freeway to Puuloa Rd./Lagoon Dr. Turn left on Lagoon Dr. and left on Waiwai Loop (first left). 

OR 

Take H-1 ewa (west) toward airport until Nimitz Hwy. exit (#18). Proceed under freeway on Nimitz Hwy.(Hwy.#92) 
to second traffic light (Puuloa Rd./Lagoon Dr.). Turn left on Lagoon Dr. Turn left at first street, which is Waiwai Loop.
 

From Pearl Harbor or West Oahu:

Take H-1 Diamond Head (east) to airport exit (#16). Bear left and get on Aolele St. Continue on Aolele St. until you reach traffic light at entrance to Keehi Lagoon Park. Turn left on Lagoon Dr. and right at second intersection onto Waiwai Loop.

OR 

Take Moanalua Fwy. (Hwy.#78) Diamond Head (east) to Puuloa Rd. exit. Proceed on Puuloa Rd. under freeway to Lagoon Dr. (Puuloa turns into Lagoon.) Take first left on Lagoon Dr. onto Waiwai Loop.

Get Directions:

Rail Construction Impacting HEC

September 3, 2019

Beginning Tuesday, September 3, rail construction will impact westbound traffic on Nimitz Highway 24 hours a day, 7 days a week. The expected duration of this impact is 1 month. Nimitz Highway westbound starting near the Nimitz viaduct will be reduced to one lane 24/7 during this period. The lane closure area is less than half a mile, however, please plan for extra travel time through the work zone. Additional lanes may be closed on Nimitz Highway to support movement of heavy equipment and for construction activities.

August 1, 2019

Two-way traffic on Waiwai Loop has been restored and is anticipated to continue through March or April 2020. This means vehicles may now exit and enter on either the Mauka or Makai side of Waiwai loop. When utility relocation starts on Waiwai Loop in 2020, one-way traffic on the Makai side of Waiwai Loop will be reinstated.

(Previously, from May through July 2019, traffic flow on the Makai side of Waiwai Loop had been one-way only, allowing vehicles to only exit there. No vehicles were allowed to enter the Makai side of the loop. Entrance in to Waiwai Loop was only accessible on the Mauka side of the loop.)

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