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 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

11:30 am Intro to Stone Matrix Asphalt (0... @ Zoom Presentation
Intro to Stone Matrix Asphalt (0... @ Zoom Presentation
Jun 12 @ 11:30 am – 12:30 pm
Title: Intro to Stone Matrix Asphalt (SMA) Speakers: Jon M. Young, Hawaii Asphalt Paving Industry This session will introduce Stone Matrix Asphalt (SMA). SMA is a gap-graded hot mix asphalt (HMA) originally developed in Europe to maximize rutting resistance and durability. The mix design goal is to create stone-on-stone[...]
11:30 am Mat Defects-What Happened? (06/1...
Mat Defects-What Happened? (06/1...
Jun 19 @ 11:30 am – 1:00 pm
Title: Mat Defects – What Happened? Speaker: Todd Mansell, Product Application Specialist, Caterpillar View videos of mat defects and see if you can tell what’s happening. This session is intended a group discussion to learn from each other’s experiences.
11:30 am Intro to High Friction Surface T... @ Zoom Presentation
Intro to High Friction Surface T... @ Zoom Presentation
Jun 26 @ 11:30 am – 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[...]
11:30 am HAPI Jeopardy (07/24/24)
HAPI Jeopardy (07/24/24)
Jul 24 @ 11:30 am – 12:30 pm
The contest will be conducted as follows: There will be a maximum of 3 preliminary rounds: – Each round will have 9 questions (3 categories; 3 questions for each category). – The people not participating the in the round will be placed in the waiting room. –[...]
11:30 am HAPI Holiday Game (12/11/24) @ Virtual
HAPI Holiday Game (12/11/24) @ Virtual
Dec 11 @ 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.

Facts & Videos

Contact Us

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