Highly modified asphalt (HiMA) binders are engineered to provide lasting performance in asphalt mixtures subjected to demanding traffic loading and environmental conditions. TRB hosted a webinar on Thursday, May 2, 2024 from 12:00 PM to 1:30 PM Eastern that described the development of HiMA, including the applications at the National Center for Asphalt Technology. Presenters discussed Florida Department of Transportation’s (DOT) applications over the past decade and a more recent introduction and use by Utah DOT.

This webinar was sponsored by TRB’s Standing Technical Committee on Binders for Flexible Pavement.

The slides are linked in the meeting materials. View the recorded webinar below.

Webinar agenda and presenters

1. Development and initial applications of HiMA binders – Bob Kluttz, Kraton Corporation

2. How the use of HiMA has evolved in Florida over the last decade – Jim Musselman, Florida DOT

3. The introduction and application of HiMA binders in Utah – Howard Anderson, Utah DOT

4. Question and answer session moderated by Gary Fitts, Kraton Corporation

The first 60 minutes of the webinar were for presentations and the final 30 minutes were reserved for audience questions.

Learning Objectives

At the end of this webinar, participants can:

1. Develop a specification assuring a HiMA binder

2. Best utilize HiMA binders to provide more durable, rut resistant asphalt paving mixtures

Professional Development Hours

This webinar was delivered as a scheduled – e-learning live event and is categorized within RCEP as Technical, Health and Safety.

Professional Development Hours (PDHs) earned on completion of this program were reported to the Registered Continuing Education Program (RCEP). Certificates of Completion are issued to all participants via the RCEP.net online system. Complaints about registered providers may be addressed to RCEP, 1015 15th Street, NW, 8th Fl., Washington, DC, 20005.