Dakota Asphalt Pavement Association

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Dakota Asphalt Pavement Association

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Our mission is to promote the use of Hot-Mix Asphalt construction through education, engineering, and research.

10/27/2026

♻️ OLD ROADS. NEW PURPOSE.

Did you know asphalt is one of the most recycled materials in America?

When an existing asphalt road is milled or removed, that material doesn’t have to go to waste. Reclaimed asphalt pavement (RAP) can be processed and incorporated into new asphalt mixtures, helping conserve natural resources and reduce the need for virgin materials.

📊 The impact is significant: In 2024, the asphalt industry reused an estimated 101.4 million tons of reclaimed asphalt pavement in new asphalt mixtures.

That’s innovation at work—giving existing materials another purpose while helping build the roads we depend on every day.

At DAPA, we’re proud to advocate for an asphalt industry that continues to advance through research, innovation, and responsible resource management.

🌐 Learn more about the asphalt industry in North and South Dakota at www.dakota-asphalt.org.

10/19/2026

🎉 Save the Date: The 2027 DAPA Conference is Coming!

Join us January 6–7, 2027, at the Deadwood Mountain Grand Hotel in Deadwood, South Dakota, as we celebrate 30 years of building the Dakotas! 🛣️

Connect with industry professionals, gain valuable insights, and celebrate three decades of advancing the asphalt pavement industry across North and South Dakota.

📅 January 6–7, 2027
📍 Deadwood Mountain Grand | Deadwood, SD

🎟️ Ready to join us? Tickets are available on the event page! You can also find the conference schedule and sponsorship opportunities.

🔗 https://www.dakota-asphalt.org/event-details-registration/2027-dapa-conference-30th-anniversary-celebration

Stay tuned for more conference details in the coming weeks!

10/15/2026

📣 2027 DAPA CLASS DATES ARE HERE!

Plan ahead for the 2027 training season! 📅 Dates are now available for the Dakota Asphalt Pavement Association’s upcoming South Dakota classes:
🔹 Aggregate Testing
🔹 Hot Mix Testing
🔹 Mix Design & Production Control

These classes provide valuable training and knowledge to support quality, consistency, and excellence in asphalt paving across South Dakota.

🎟️ Tickets go on sale November 2, 2026!

Visit www.dakota-asphalt.org to view class dates and details.

Mark your calendar and get ready for the 2027 training season!

10/02/2026

🎉 The 2027 DAPA Conference is coming! 🎉

Join us January 6–7, 2027, at the Holiday Inn Resort Deadwood Mountain Grand in Deadwood, SD, as we celebrate 30 years of building the Dakotas!

We’re excited to welcome Col. Mark Tillman, former commander of Air Force One, as our keynote speaker, presenting Air Force One: Zero Fail Mission.

Connect with industry professionals, gain valuable insights, and celebrate three decades of advancing the asphalt industry across North and South Dakota.

📅 January 6–7, 2027
📍 Deadwood, SD
🎤 Keynote: Col. Mark Tillman

🔗 View conference details, schedule, and registration:
https://www.dakota-asphalt.org/event-details-registration/2027-dapa-conference

We look forward to seeing you there!

09/02/2026

Not all asphalt mixtures perform the same way—and that’s why the industry continues to evolve how mixtures are designed and evaluated.

Balances Mix Design (BMD) uses performance testing to evaluate how an asphalt mixtures is expected to resist important forms of pavement distress, including rutting and cracking.

Rather than focusing split on meeting a set of volumetric requirements, BMD helps connect mixture design to the performance we expect from the pavement in the field.

It’s one of the ways the asphalt industry is working toward better-performing, more durable pavements.

# Engineering

08/31/2026

A smooth road starts beneath the surface.

An asphalt pavement is more than the layer you see when you drive down the road. Its performance depends on how the aggregate, asphalt binder, and underlying pavement layers work together.

The aggregate creates the structural skeleton of the asphalt mixture. The binder holds those particles together, while the mix is designed to balance properties such as durability, rutting resistance, and cracking resistance.

That is where Balanced Mix Design and proper compaction become important. BMD uses performance testing to help develop mixtures that can withstand the specific demands of traffic, climate, aging, and location. Once the mix reaches the roadway, compaction brings the aggregate particles closer together, creating interlock and reducing unwanted air voids.

The result is more than a smooth-looking surface—it is a pavement structure designed and constructed to perform for the long haul.

08/24/2026

When you drive down a smooth asphalt road, you’re seeing only one part of a much larger pavement system.

A properly designed pavement considers the materials, mixture, thickness, underlying layers, traffic, climate and expected performance.

That’s why asphalt paving isn’t simply a matter of putting down a layer of “blacktop.” It’s an engineered system designed to carry traffic and perform over time.

The road you see is only the beginning of the story.

08/10/2026

Why does pavement density matter? 🛣️

Proper compaction is one of the most important steps in building a durable asphalt pavement. Achieving the right density helps reduce the amount of air voids within the asphalt mixture, creating a tighter, more stable pavement structure.

When asphalt is properly compacted, it can help:
• Improve pavement durability and resistance to traffic
• Reduce permeability and the potential for moisture-related damage
• Minimize the risk of premature cracking, rutting and other pavement distresses
• Extend pavement service life and reduce long-term maintenance needs

Getting density right isn’t simply about making additional roller passes. Temperature, mix properties, lift thickness, rolling patterns, equipment and timing all play a role in achieving consistent compaction in the field.

The goal? Build it right the first time—with the density needed for a pavement that performs for years to come.

08/06/2026

30 Years of Building the Dakotas. 30 Years of Moving the Industry Forward. 🛣️

This January, we’re celebrating a milestone that reflects the strength of our members, partners, and the entire asphalt industry.

Join us for the 30th Annual DAPA Conference as we honor three decades of advancing asphalt pavement, building lasting partnerships, and supporting transportation infrastructure across North Dakota and South Dakota.

📅 January 6–7, 2027
📍 Mountain Grand Hotel | Deadwood, SD

Whether you’ve been with DAPA since the beginning or are joining us for the first time, this year’s conference promises to be one to remember. Stay tuned for speaker announcements, registration details, and special 30th anniversary features.

07/15/2026

Save the Date!

Mark your calendars for the 2027 DAPA Conference, celebrating 30 years of the Dakota Asphalt Pavement Association! 🎉

📅 January 6–7, 2027
📍 Holiday Inn Resort Deadwood Mountain Grand by IHG | Deadwood, South Dakota

Join us as we celebrate three decades of advancing the asphalt industry while looking ahead to the future. More conference details, registration, and hotel information will be available on the DAPA website soon.

Save the date—we look forward to celebrating with you!

Address

3030 Airport Road Suite B
Pierre, SD
57501

Telephone

+16052248500

Website

https://dakota-asphalt.org/

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