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
26
Wed
11:30 am Seven Things You Should Understa...
Seven Things You Should Understa...
Feb 26 @ 11:30 am – 1:00 pm
Title: Seven Things You Should Understand About Quality Assurance Speaker: Danny Gierhart, P.E., Asphalt Institute’s Deputy Director of Engineering Learn about the importance of quality assurance for constructing quality asphalt pavements. Attendees will learn what goes into a good quality control plan, from sampling of materials to[...]
Mar
11
Tue
8:30 am Understanding a Job Mix Formula ... @ HAPI Office
Understanding a Job Mix Formula ... @ HAPI Office
Mar 11 @ 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[...]
Apr
2
Wed
8:00 am 2025 LTAP/ HAPI Annual Paving Co... @ virtual
2025 LTAP/ HAPI Annual Paving Co... @ virtual
Apr 2 @ 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) – $35 HAPI Members – $40 For all others Topic: The Ninja[...]
Dec
10
Wed
11:30 am HAPI Holiday Game (12/10/25) @ Virtual
HAPI Holiday Game (12/10/25) @ Virtual
Dec 10 @ 11:30 am – 12:30 pm
A quiz game using Menti.com. The topics of the questions will be asphalt industry, HAPI, and of course, the holiday season. Prizes will be award to the top five finishers – $25, $20, $15, $10, and $5 gift cards from a wide variety of stores.

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.
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