Welcome to the Hawaii Asphalt Paving Industry

The Hawaii Asphalt Paving Industry (HAPI) represents asphalt pavement producers and laydown contractors in the State of Hawai'i as well as industries related to pavement preservation. Formed in 1989, HAPI's purpose is to provide engineering promotion and education to advance the continuing use of asphalt pavement and pavement treatments throughout the State of Hawai’i. Learn More

HAPI News

HAPI Asphalt Pavement Guide


The HAPI Asphalt Pavement Guide is an informational resource on asphalt pavements and pavement treatments. It contains a general overview of all aspects asphalt pavement and pavement treatments, and in-depth information on recommendations and practices for Hawai’i. It is intended to assist those who work with asphalt pavements and pavement treatments, including architects, engineers, contactors, students and homeowners.

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Upcoming Events

Feb
18
Wed
11:30 am Intro to High Friction Surface T... @ Zoom Presentation
Intro to High Friction Surface T... @ Zoom Presentation
Feb 18 2026 @ 11:30 am – Feb 18 2027 @ 12:30 pm
Title: Intro to High Friction Surface Treatments Speaker: Jon M. Young, Hawaii Asphalt Pavement Industry High-Friction Surface Treatment (HSFT) is not a new product, but it is something relatively new to streets and highways in Hawaii. What is a HFST, where is it used, and how is[...]
Mar
17
Tue
8:30 am Understanding a Job Mix Formula ... @ HAPI Office
Understanding a Job Mix Formula ... @ HAPI Office
Mar 17 @ 8:30 am – 10:30 am
Click here to register Speaker: Jon M. Young, PE, Hawaii Asphalt Pavement Industry Who Should Attend? Contractors, engineers, and construction managers unfamiliar with a JMF submittal. The job mix formula (JMF) is the recommended mixture, which includes aggregate gradation and asphalt binder type, to meet the project specifications. The[...]
Mar
18
Wed
11:30 am Pavement Treatments Used in Hawa...
Pavement Treatments Used in Hawa...
Mar 18 @ 11:30 am – 12:30 pm
Title: Pavement Treatments Used in Hawaii Speaker: Jon M. Young, Hawaii Asphalt Pavement Industry Pavement treatments used in Hawaii was discussed at 2021 LTAP workshop for the counties and HDOT. This session summarizes the presentations made by representatives of the four counties and HDOT. Each presentation provided[...]
Mar
30
Mon
8:00 am 2026 LTAP/HAPI Best Practices Wo... @ Marriott Courtyard Kahului
2026 LTAP/HAPI Best Practices Wo... @ Marriott Courtyard Kahului
Mar 30 @ 8:00 am – 4:30 pm
LTAP and HAPI are jointly organizing these Best Practices workshops for 2026. The Maui workshop is on March 30th at the Marriott Courtyard Kahului. Click here for additional information and to register. Space is limited to 42 people.
Apr
1
Wed
8:00 am 2026 LTAP/HAPI Best Practices Wo... @ UH at Manoa - East West Center
2026 LTAP/HAPI Best Practices Wo... @ UH at Manoa - East West Center
Apr 1 @ 8:00 am – 4:30 pm
LTAP and HAPI are jointly organizing these Best Practices workshops for 2025. The Oahu workshop is on April 1st at the University of Hawaii – East West Center. Click here for additional information and to register. Space is limited to 60 people.
Apr
29
Wed
8:00 am 2026 LTAP/ HAPI Annual Paving Co... @ virtual
2026 LTAP/ HAPI Annual Paving Co... @ virtual
Apr 29 @ 8:00 am – 1:45 pm
Click here to register and for conference schedule, session descriptions, and speaker bios. Registration Fee: – $0 Government Agencies Employees (Sponsored by LTAP) – $0 University of Hawaii System (anyone with a @hawaii.edu email address) – $40 HAPI Members – $45 For all others Topic: MixBusters –[...]

Women of Asphalt Hawaii

Contact Us

Hawaii Asphalt Paving Industry
1287 Kalani Street, Suite 202
Honolulu, HI 96817
Tel: 808.847.HAPI (4274)
Email: jon@hawaiiasphalt.org
Contact Form

Asphalt Pavement Guide

An interactive guide to everything about asphalt pavements and pavement treatments including local Hawai’i guidance, procedures and designs.
View Guide

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