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What you need to know about traffic, safety during Sunday's Honolulu Marathon

HONOLULU (KHON2) - Tens of thousands of people will hit the pavement for Sunday's Honolulu Marathon. City officials are taking steps to make sure everyone stays safe.

This year, 27,000 runners are expected, with thousands more to watch from the sidelines.

The Honolulu Police Department says it's working with multiple law enforcement agencies, including the Federal Bureau of Investigation and the Bureau of Alcohol, Tobacco, Firearms and Explosives. Emergency crews will also be on standby.

Like last year, drones will not be allowed to fly over the marathon. Police will be on scene in uniform and plain clothing. The city Department of Emergency Management will also be monitoring and recording the event through traffic cameras along the route should anything happen.

Safety officials are asking the public to be aware of their surroundings.

"We need the public to remain vigilant. That's why the motto we say every marathon since the Boston Marathon: If you see something, say something," said Honolulu Mayor Kirk Caldwell.

"There is no credible threat, but if you see something, please flag down an officer or call 911. HPD will have numerous officers on the traffic post and also in plain clothes working the event to ensure this is a safe event for everyone," said Maj. Joseph Trinidad, Honolulu Police Department.

Beginning at 12:30 a.m. Sunday, closures will go into effect along the marathon route and will remain closed until athletes complete that section of the course. Tow-away zones will be in effect from 1 a.m. until 5 p.m.

The Honolulu Marathon will start at 5 a.m.

Click here for more information on the marathon route and traffic closures.

Marathon Route

The Marathon route runs westbound along Ala Moana Boulevard, to Nimitz Highway, right onto Nuuanu Avenue, right onto King Street, right onto Kapiolani Boulevard, right onto Piikoi Street, left onto Ala Moana Boulevard, right onto Kalakaua Avenue, left onto Monsarrat Avenue, right onto Paki Avenue, left onto Diamond Head Road, right onto 18th Avenue, right onto Kilauea Avenue, right onto Waialae Avenue, to the H-1 Freeway (eastbound), to Kalanianaole Highway (all lanes makai/ocean side), left onto Hawaii Kai Drive, right onto Keahole Street, right turn back to Kalanianaole Highway (westbound), left onto Kealaolu Avenue, right onto Kahala Avenue, to Diamond Head Road, left onto Kalakaua Avenue to the finish line at Kapiolani Park.

The following roadways will be closed or restricted on Sunday, Dec. 9, 2018. 

Ala Moana Boulevard from Atkinson Drive to Ward Avenue will be detoured from 12:30 AM. Ala Moana Boulevard, including access to Ala Moana Park should be re-opened at approximately 8:00 am.

Ala Moana Boulevard/Nimitz Highway Koko Head bound traffic from Nuuanu to Ward Avenue will be detoured left at Smith Street from 2:30 AM. Please use Vineyard Boulevard as a detour route.

King Street from Nuuanu Avenue to Kapiolani Boulevard from 3:30 AM. Traffic will be detoured at Smith Street.

Kapiolani Boulevard in both directions from King Street to Piikoi Street at 3:30 AM. Ewa bound traffic will be detoured mauka bound at Piikoi Street.

Piikoi Street in both directions from Kapiolani Boulevard to Ala Moana Boulevard from 1:00 AM. Local Traffic will be permitted to residents in this area till 3:00 AM.

Kalakaua Avenue will be detoured left onto Kuhio Avenue from 3:30 AM.

Kalakaua Avenue mauka side (i.e. towards the mountains) between Monsarrat Avenue and Poni Moi Road from 4:30 AM until the Marathon is over. The makai lanes will be contra-flowed for two-way traffic at approximately 9:00 AM. Limited to resident traffic only; patrons of the Outrigger Canoe Club and Elks Club must enter via Kapahulu Avenue.

Kapahulu Avenue makai bound will be closed at Kuhio Avenue at 1:30 AM. Local traffic to Kalakaua Avenue – makai will be permitted after 9 AM.

Monsarrat Avenue from Kalakaua Avenue to Paki Avenue from 4:30 AM until event over at 3:00 pm. Traffic will be limited to tour bus pickups only. No Parking – Tow-Away Zone, both sides of Monsarrat Avenue from Kalakaua to Paki Avenue.

Paki Avenue from Monsarrat Avenue to Kalakaua Avenue from 4:30 AM for the duration of the Marathon. Local Traffic Only – access to Diamond Head Tennis Courts from 9:00 AM.

H-1 Freeway: Beginning at 3:30 am, all eastbound traffic will be routed off at Waialae Avenue off-ramp/22nd Avenue. H-1 traffic will be partially re-opened directly to the contra flow lane beginning at approximately 8:30 am, which will continue until the makai lanes of Kalanianaole Highway (eastbound) are re-opened at approximately 2:00 PM.

Kalanianaole Highway from Ainakoa Street to Hawaii Kai Drive makai side will have restricted access from 3:30 AM. The mauka side of the highway will be contra-flowed for two-way traffic, 2 lanes westbound, 1 lane eastbound. West bound Kalanianaole Highway traffic will be detoured onto Ainakoa Street to Malia Street to Kilauea Avenue between 5:00 am till approximately 8:30 am

Kalanianaole Highway will be closed to through traffic from Hawaii Kai Drive to Keahole Street from about 3:30 AM until the area is clear. Traffic will be detoured onto Hawaii Kai Drive via Kawaihae Road to Lunalilo Home Road. Maunalua Bay boat ramp traffic must enter from the Koko Head end.

18th Avenue from Diamond Head Road to Kilauea Avenue until runners clear the area. Traffic will be detoured at Diamond Head Road and Makapuu Avenue. Local Traffic Only access to Diamond Head Crater only will be restricted to Civil Defense, FAA, and National Guard personnel only.

Diamond Head Road, Kahala and Kealaolu Avenues will be controlled by HPD until the volume of runners diminish to allow the safe movement of vehicles.

Kahala Towers, Kahala Hotel and Resort, and Waialae Country Club traffic will be permitted via Aukai Avenue and Pueo Street when safe, approximately 11:30 am.

Kealaolu Avenue from Waialae Avenue to Kahala Avenue from about 5:30 AM until the area is clear. Local Traffic may be permitted – only by direction of HPD – at Aukai Avenue.

Kilauea Avenue from 18th Avenue to Waialae Avenue, all eastbound lanes will be closed at 4:00 AM until runners clear the area. Westbound lanes will be contra-flowed to permit two-way traffic. Vehicular traffic exiting the lower Kahala area must cross Kilauea Avenue at Hunakai Street. Expect delays until 11:00 AM.

Hawaii Kai Drive makai lanes from Kalanianaole Highway to Keahole Street from about 2:30 AM until the area is clear. The mauka side lanes will be contra-flowed for two-way traffic.

Keahole Street makai bound lanes from about 2:30 AM until the area is clear. Traffic will be contra-flowed in the mauka bound lanes for two-way flow. Entrance and exit from the Hawaii Kai Shopping Center, Costco, etc. will be permitted.

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