Making the Islands’ Roads Safer

Click here for the article titled “Making the Islands’ Roads Safer” in the April 2020 issue of Building Industry Hawaii (BIH) magazine to learn how HDOT is testing this surface material on Oahu’s most risky driving areas.

BIH contacted HAPI for suggestions for an article about asphalt pavements for the April issues. HAPI suggested that they discuss High-Friction Surface Treatments. HFST is not a new product, but it is something relatively new to highways in Hawaii. It was recently used on the employed at the hairpin curve on the windward side the Pali Highway tunnels.


Drivers have already reported they can feel the difference (improvement) as they travel this section of the road. Click here to learn more about HFST and how it improves safety.

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