Radiant Cordero

District 7 Councilmember
Current Term: 2021-2025 | Serving Since: Jan. 2, 2021

Kapālama Kai, Kalihi Kai, Kahauiki, Mauliola (Sand Island), Moku Mokauea, Moanalua, Āliapa'akai (Salt Lake), Māpunapuna, Ahua (Airport), Āliamanu, Kapūkakī (Red Hill), Kapuaikaula (Hickam), Moku'ume'ume (Ford Island), Hālawa, 'Aiea, Kalauao, and Waimalu Kai.

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Radiant has dedicated her career to her community through various roles in nonprofits, journalism, and local government. While in school, she worked for Abilities Unlimited – Winners at Work, working with persons with disabilities on job training and retention and ClubCharm, USA, working with keiki on leadership development and even filling the void during Furlough Fridays. After graduating with her Bachelor’s degrees, she served as a legislative aide at the Office of the Vice Speaker of the House of Representatives, while still serving at the nonprofits and taking on two additional front desk jobs at the Royal Hawaiian Hotel and Sheraton Waikiki Hotel. She also served as assistant editor for the Fil-Am Courier (Hawai‘i’s leading and longest running Filipino publication). Radiant previously served as chief of staff to Honolulu City Councilmember Joey Manahan of District 7, where she worked on many issues related to homelessness, public safety, critical infrastructure, city budget, transportation, and fighting for county resources at the State Legislature. She is a tireless advocate for the community that she has called home for her entire life and has been shaped into the servant leader she is today by the people and culture within it.

In November 2024, the National League of Cities selected her to receive the Centennial Under 40 Impact Award, and the National Foundation for Women Legislators selected her to receive the Women of Excellence Award.

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Infrastructure, Transportation & Technology, Chair

Government Efficiency & Customer Services

Housing, Homelessness & Parks

International & Legal Affairs

Zoning & Planning

Community-Council Corner

Latest update as of October 24, 2025

Click Here to view a video of HART’s construction progress and ongoing work in Segments 2 and 3. Here’s a brief status update:

Trial Operations Begin on Segment 2:

HART's Construction Progress and Updates:

Trial Operations for Segment 2 began on July 26, 2025. This phase includes rigorous testing of 26 different operating scenarios and a System Service Availability Demonstration, which measures the system’s performance and reliability. Hitachi Rail Honolulu, the City’s contracted operator of Skyline, must achieve an availability of 98.5% average over a 30-day rolling period, which is projected to be completed by mid-September.

Skyline, Honolulu’s rail system, opens it second segment to the public on Thursday, October 16, 2025. Segment two extends the line from East Kapolei to Middle Street, and adds four stations.

Click here more information.

Business and Community Meeting:

HART and its contractors held an online business and community meeting on Thursday, January 30, 2025 via Zoom. The meeting covered ongoing projects, lane closures, and public impacts in the City Center segment of the Honolulu Rail Transit Project, including areas such as Kalihi, Iwilei, Downtown, Chinatown, and Kaka’ako. Click Here to access the meeting presentation.

The next Business and Community Meeting will be held on Thursday, October 30, 2025, at 1:00 p.m. Feel free to reach out to the CCUR IV team via email at ccur4@nanhawaii.com if you have any questions regarding the project before the next Business and Community Meeting. Click here for more information.

Latest update as of October 24, 2025

‘AIEA

Location: Aliʻipoe Drive
Daytime: Monday to Friday: 8:30 a.m. to 3:30 p.m. (excluding holidays)

Location: Hōʻio Street
Daytime: Monday to Friday: 8:30 a.m. to 3:30 p.m. (excluding holidays)

Location: Kulawai Street
Daytime: Monday to Friday: 8:30 a.m. to 3:30 p.m. (excluding holidays)

MOANALUA VALLEY

Location: Ala Aolani Place
Daytime: Monday to Friday: 8:30 a.m. to 3:30 p.m. (excluding holidays)

ROAD REHABILITATION PROJECTS:

On September 29, 2025, the City’s Department of Design and Construction began its road rehabilitation project along Ala Aolani Place. Construction will occur on weekdays from 8:30 a.m. to 3:30 p.m. (excluding holidays) through December 2026. Lane closures, detours, and temporary parking restrictions are expected, so please plan ahead and allow extra travel time. For full project details, visit honolulu.gov/ddc/city-to-repave-and-improve-roads-in-aiea-and-moanalua-valley.

Dillingham Utility Relocation Project:

The CCUR 4 project extends from Middle Street to Kaaahi Street, on Kamehameha Highway and Dillingham Boulevard. We are relocating existing utilities to make way for the guideway and stations. During construction, at least one east bound and one west bound through lane will remain open.

Please see the below traffic plans and mark ups for a general look at the road conditions.

Traffic Plan Summary:

Kamehameha Highway and Dillingham Boulevard, from Middle Street to Kaaahi Street, will operate with one traffic lane in each direction 24 hours a day, 7 days a week. There will be coning and tapering on the road to ensure a safe and smooth transition around the work zone.

Left turns from Kamehameha Highway and Dillingham Boulevard are restricted, as well as left turns from businesses and residential driveways onto Kamehameha Highway and Dillingham Boulevard.
Left and right turns from the cross streets onto Kamehameha Highway and Dillingham Boulevard are allowed. However, left or right turns from the cross streets may be temporarily restricted during nighttime hours.
Alakawa Street is the only exception where left turns are permitted from Dillingham Boulevard onto Alakawa Street. This is to alleviate traffic in this congested area.

Utilities Construction Work Along the Project:

Middle Street to Puuhale Road: Day time and night time work on gas, water, and electrical utilities.
Mokauea Street to McNeill Street: Intermittent day time and night time intersection work on telecommunication and electrical upgrades, streetlight and traffic signal improvements, and property restoration.
McNeill Street to Waiakamilo Road: Day time and night time work on electrical utilities and streetlight and traffic signal improvements.
Waiakamilo Road to Kaaahi Street: Day time and night time work on electrical work and soil stabilization.
NOTE: Construction work is typically day shift on Monday through night shift on Saturday, as needed.

Day & Night Lane Closures on Cross Streets, as Needed: (All motorists will be detoured)

Location: Kalihi Street
8:30am - 2:00 pm, Monday to Friday
North bound traffic reduced to one lane from Eluwene Street to Colburn Street. Two lanes South Bound will be opened.

Overnight: 7:00 pm - 5:00 am, Monday to Friday
North and South bound traffic reduced to one lane from Eluwene Street to Colburn Street

Location: Kohou Street
24/7 Closure
Kaumualii Street to Dillingham Boulevard will be closed.

Location: Akepo Lane
24/7 Closure
Kaumualii to Dillingham Boulevard will be closed.

Location: Waiakamilo Road
24/7 Closure, Monday through Saturday morning
Mauka bound lanes between Colburn Street and Dillingham Blvd will be reduced to a left only turn lane, straight lane, and right only turn lane.

Overnight: 7:00 p.m. - 5:00 a.m., Monday to Friday
South bound traffic reduced to one lane from Dillingham to Kaumualii Street

Waikamilo Intersection Traffic Control Plan: Below is the markup of the ongoing traffic control at the Waikamilo intersection between Colburn St. and Dillingham Blvd., in place since mid-December.

KALIHI

What is the HART Rail Guideway Mauka Shift?

The Mauka Shift refers to a plan to move a section of the rail guideway from the center of Dillingham Boulevard to the mauka side of the street. This mauka shift saves time and money for the Project by eliminating the need to relocate certain utilities.

Currently there is a complex web of electricity, water, sewer and fiber optics lines that run under Dillingham Boulevard. There are also two 138-kilovolt power transmission lines above ground on either side of Dillingham Boulevard. On the makai side, there are also 12- and 48-kilovolt power lines. For HART to move all of these power lines underground would be extremely difficult as there is not enough room to provide the clearances needed to service existing utilities. Moving the guideway to the mauka side of the street eliminates the need to bury all of the power lines on the makai side and avoids the need to move other existing underground utilities, thereby improving the Project schedule and reducing costs by approximately $150 million.