{"id":10540,"date":"2025-12-05T19:14:53","date_gmt":"2025-12-05T19:14:53","guid":{"rendered":"https:\/\/ecm.eng.auburn.edu\/wp\/emag\/?p=10540"},"modified":"2025-12-08T17:28:29","modified_gmt":"2025-12-08T17:28:29","slug":"25-years-on-track","status":"publish","type":"post","link":"http:\/\/ecm.eng.auburn.edu\/wp\/emag\/?p=10540","title":{"rendered":"25 Years on Track"},"content":{"rendered":"<p><iframe loading=\"lazy\" title=\"NCAT -- What Goes Around, Comes Around.\" width=\"700\" height=\"394\" src=\"https:\/\/www.youtube.com\/embed\/HU7g3qpRt_Q?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>For 25 years, experiments on a 1.7-mile loop in Opelika have been changing the way America builds and maintains its highways.<\/p>\n<p>This year marks the 25th anniversary of the National Center for Asphalt Technology\u2019s (NCAT) Test Track \u2014 a full-scale pavement testing facility housed within the Samuel Ginn College of Engineering. Now, NCAT is Auburn University\u2019s largest research center and a world leader in asphalt pavement innovation.<\/p>\n<p>Recognizing the need to bridge the gap between laboratory studies and real-world conditions, the NCAT Board of Directors greenlit a bold idea in 1996: build a facility where materials and designs could be evaluated under controlled, accelerated conditions before reaching public highways.<\/p>\n<p>That vision became reality four years later \u2014 in September 2000 \u2014 when the Test Track officially opened.<\/p>\n<p>During its lifetime, that 1.7-mile oval has evolved into something much bigger.<\/p>\n<p>For Auburn University, it\u2019s a testament to innovation and research partnerships in action. For the asphalt paving industry, it\u2019s a proving ground that has redefined how roads are built. For the sponsors, it is undeniable proof of the power of research-driven collaboration and purpose.<br \/>\nAs the Test Track marks a quarter century of important research, its story is as much about people, partnerships and progress as it is about pavement.<\/p>\n<p><strong>Origins<\/strong><\/p>\n<figure id=\"attachment_10552\" aria-describedby=\"caption-attachment-10552\" style=\"width: 714px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" class=\"size-full wp-image-10552\" src=\"http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/TT-Groundbreaking.jpg\" alt=\"\" width=\"714\" height=\"468\" srcset=\"http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/TT-Groundbreaking.jpg 714w, http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/TT-Groundbreaking-75x50.jpg 75w\" sizes=\"(max-width: 714px) 100vw, 714px\" \/><figcaption id=\"caption-attachment-10552\" class=\"wp-caption-text\">The groundbreaking ceremony of the NCAT Test Track held Sept. 29, 1998.<\/figcaption><\/figure>\n<p>In 1998, Auburn University purchased 310 acres about 20 minutes from campus to establish NCAT\u2019s full-scale pavement testing facility.<\/p>\n<p>Two years later, the Track was fully constructed and ready for research. Of the 46 sections \u2014 each 200 feet in length \u2014 26 were sponsored by state departments of transportation and the Federal Highway Administration, giving the facility immediate national relevance. Its design featured a thick asphalt base and a permeable foundation, intentionally engineered to focus on surface distresses such as rutting and friction, while avoiding deep structural distresses such as fatigue cracking. This ensured that the results could quickly translate into better-performing roads.<\/p>\n<p>The official dedication that October brought together more than 550 attendees from across the country, including members of Congress and leading transportation officials.<\/p>\n<p>While the event drew national attention, it was the early research efforts and collaboration with industry partners that paved the way for the Test Track\u2019s long-term impact. That potential began to take shape as soon as the first trucks started circulating the track.<\/p>\n<p><strong>Keep on trucking<\/strong><\/p>\n<figure id=\"attachment_10545\" aria-describedby=\"caption-attachment-10545\" style=\"width: 2000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" class=\"size-full wp-image-10545\" src=\"http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/2000ncatbuzz1.jpg\" alt=\"\" width=\"2000\" height=\"1312\" srcset=\"http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/2000ncatbuzz1.jpg 2000w, http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/2000ncatbuzz1-1800x1181.jpg 1800w, http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/2000ncatbuzz1-768x504.jpg 768w, http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/2000ncatbuzz1-1536x1008.jpg 1536w, http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/2000ncatbuzz1-75x50.jpg 75w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/><figcaption id=\"caption-attachment-10545\" class=\"wp-caption-text\">Early Test Track section planning with Buzz Powell, former NCAT Test Track associate director, in 2000.<\/figcaption><\/figure>\n<p>In the third week of September 2000 \u2014 a time of boy bands, PalmPilots and CD players \u2014 trucks first circled the oval Test Track, kicking off its research journey.<\/p>\n<p>Since then, five triple-loaded trucks have continued to circle the Test Track 16 hours per day, five days a week, applying 10 million equivalent single-axle loads (ESALs) per research cycle.<\/p>\n<p>An ESAL is a unit used to normalize different vehicle loads based on road damage. Each day, the fleet covers the equivalent of a coast-to-coast drive across the U.S. Add those miles together, and the trucks rack up enough distance to circle the globe about once every week and a half.<\/p>\n<p>All without ever leaving Opelika.<\/p>\n<figure id=\"attachment_10556\" aria-describedby=\"caption-attachment-10556\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" class=\"size-full wp-image-10556\" src=\"http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/E8-10-1.jpg\" alt=\"\" width=\"800\" height=\"376\" srcset=\"http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/E8-10-1.jpg 800w, http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/E8-10-1-768x361.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-10556\" class=\"wp-caption-text\">Construction during the ninth research cycle of the Test Track in 2024.<\/figcaption><\/figure>\n<p>\u201cThe Track gives us a level of insight into pavement performance that you simply can\u2019t get anywhere else,\u201d said Jason Nelson, NCAT Test Track manager. \u201cThe research doesn\u2019t just stay on paper \u2014 every mile run at the Test Track generates knowledge that builds safer, longer-lasting roads for millions of travelers.\u201d<\/p>\n<div id=\"buzzsprout-player-15578130\"><\/div>\n<p>Early research results proved the Test Track\u2019s ability to replicate multiple years of interstate traffic in just 24 months, validating the facility as a groundbreaking tool for accelerated pavement testing and delivering what the asphalt industry had long sought: a reliable way to assess pavement performance before innovations reach public highways.<\/p>\n<p>Eight completed research cycles have since driven progress on topics including validating mix design criteria, improving open-graded friction courses, refining pavement thickness design procedures, advancing the use of recycled materials in pavements, evaluating innovative materials for enhanced tire-pavement friction and testing new construction methods and pavement preservation treatments for longer-lasting pavements.<\/p>\n<p>\u201cThe Test Track would not be what it is today without the commitment of our sponsors,\u201d said Nathan Moore, assistant director for Test Track research. \u201cTheir collaboration ensures that every research cycle addresses the real-world challenges faced by agencies and industry, and their support allows us to deliver solutions that directly impact the future of pavements.<\/p>\n<p>\u201cTheir partnership is the foundation of the Test Track\u2019s success and the driving force behind the innovations that have come from it throughout the past 25 years,\u201d he added.<\/p>\n<div id=\"buzzsprout-player-17710276\"><\/div>\n<p><strong>Partnerships that drive progress<\/strong><\/p>\n<figure id=\"attachment_10557\" aria-describedby=\"caption-attachment-10557\" style=\"width: 1600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" class=\"size-full wp-image-10557\" src=\"http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/NCAT-blg-outside-sign-1.jpg\" alt=\"\" width=\"1600\" height=\"1200\" srcset=\"http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/NCAT-blg-outside-sign-1.jpg 1600w, http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/NCAT-blg-outside-sign-1-768x576.jpg 768w, http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/NCAT-blg-outside-sign-1-1536x1152.jpg 1536w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><figcaption id=\"caption-attachment-10557\" class=\"wp-caption-text\">The NCAT Laboratory facility also celebrates its 25th anniversary this year.<\/figcaption><\/figure>\n<p>At the heart of the Test Track\u2019s operation is its sponsor network, a broad coalition of state DOTs, federal agencies, private contractors and material suppliers.<\/p>\n<p>Since 2000, more than 35 partners have invested in sections of the Track, each pursuing answers to questions about asphalt performance.<\/p>\n<p>This collaborative model ensures that research remains grounded in real-world needs, producing findings that can be applied directly by those funding the work.<\/p>\n<p>Independent evaluations have confirmed the value of this approach, showing savings from more efficient designs and new specifications that ensure better quality, which far outweigh the cost of the research.<\/p>\n<p>For taxpayers, that translates into highways and streets that last longer, perform better and cost less to maintain.<\/p>\n<p>\u201cThe Test Track has provided the Tennessee Department of Transportation (TDOT) with a powerful tool for making informed, data-driven decisions in our pavement program,\u201d said Heather Purdy, director of TDOT\u2019s Materials and Tests Division. \u201cThe research investments TDOT has made at the track have delivered a substantial return, positively shaping our program.<br \/>\n\u201cWe deeply appreciate the dedication and passion of the NCAT team, whose efforts continue to drive innovation and excellence in pavement research,\u201d she added.<\/p>\n<p>TDOT has participated in every research cycle since the Test Track opened. Its work has included Balanced Mix Design (BMD) evaluations, a thick-thin lift study and participation in group experiments with other DOTs. These efforts have supported Tennessee\u2019s expansion of mix design options, validation of its BMD framework and broader improvements to long-term pavement performance.<\/p>\n<p>The track functions as a unique research ecosystem in which sponsors actively shape the direction of studies. They guide experimental designs, introduce new technologies for evaluation and gain early access to results that influence future policy and practice. By sponsoring test sections, agencies can evaluate innovations in a highly controlled environment, thereby reducing risks associated with trying them on their own highway networks.<\/p>\n<p>NCAT\u2019s role is to provide the data collection and monitoring needed to validate performance, while agencies ultimately decide on when and how to adopt the proven solutions. This partnership balances innovation with practicality, creating a pathway for research to move swiftly and confidently from the Test Track to roadways nationwide.<\/p>\n<p><strong>Driving research forward<\/strong><\/p>\n<figure id=\"attachment_10558\" aria-describedby=\"caption-attachment-10558\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" class=\"size-full wp-image-10558\" src=\"http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/DJI_20240425001134_0113_D-1.jpg\" alt=\"\" width=\"800\" height=\"450\" srcset=\"http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/DJI_20240425001134_0113_D-1.jpg 800w, http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/DJI_20240425001134_0113_D-1-768x432.jpg 768w, http:\/\/ecm.eng.auburn.edu\/wp\/emag\/files\/2025\/12\/DJI_20240425001134_0113_D-1-674x380.jpg 674w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-10558\" class=\"wp-caption-text\">Test Track construction began in 1999 with a thick asphalt base and permeable foundation, and early planning efforts \u2014 including guidance from former Test Track Associate Director Buzz Powell in 2000 \u2014 helped shape the layout still in use today.<\/figcaption><\/figure>\n<p>The launch of the Test Track coincided with another NCAT milestone, the opening of its 40,000-square-foot administrative and laboratory building in 2000, located in Auburn\u2019s South Technology Park, which consolidated the center\u2019s research and training capabilities under one roof for the first time. NCAT\u2019s nationally accredited lab supports implementation by providing high-quality performance testing under realistic aging and loading conditions, helping sponsors make informed engineering decisions about material selection and mix design practices.<\/p>\n<p>Together, the lab and the track create a powerful engine for asphalt research. Laboratory testing enables precise material characterization needed to model pavement responses to loading and environmental changes, while full-scale experiments at the track validate those results under live truck traffic. This dual approach bridges the gap between theory and practice, ensuring that findings can be confidently implemented on real roads with minimal risk.<\/p>\n<p><strong>Fueling the future<\/strong><\/p>\n<p>Auburn graduate students play a vital role in this work, contributing new ideas and energy while advancing research with NCAT faculty. Their projects range from evaluating innovative asphalt mixtures and sustainability practices to conducting detailed materials testing at the track and in NCAT\u2019s specialized laboratories.<\/p>\n<p>Beyond the lab, students experience the unique culture of NCAT, where close faculty mentorship, industry networking and applied learning create an environment that blends academic rigor with professional impact.<\/p>\n<p>\u201cThe Test Track is a place where students learn by doing. They don\u2019t just read about asphalt performance in a textbook \u2014 they measure it, analyze it and see it in action,\u201d said Randy West, NCAT director. \u201cThat experience helps prepare the next generation of pavement engineers, and our former graduate students are rapidly becoming industry leaders worldwide.<br \/>\n\u201cWhile NCAT has built a reputation from the quality of our research, our success is truly measured in people.\u201d<\/p>\n<p><strong>A quarter century of impactful research<\/strong><\/p>\n<p>Twenty-five years of innovation have shaped the Test Track into a cornerstone of asphalt research, and the path forward promises to be just as transformative. Key areas of research on the horizon include:<\/p>\n<ul>\n<li>Durability solutions, such as thin overlays on worn pavements, and advancing pavement recycling technologies.<\/li>\n<li>New materials, including additives to resist aging and cracking, using post-consumer recycled materials in pavements for sustainability benefits and developing alternative binders to replace petroleum-based asphalt.<\/li>\n<li>Safety-focused engineering of vehicle-to-pavement interactions to reduce accidents.<\/li>\n<li>Foundation improvements through enzyme-based stabilization of weak soils.<\/li>\n<\/ul>\n<p>These efforts mean stronger, safer and more cost-effective roads that improve daily travel and extend the value of public investment. While the Test Track may be 25 years old, West said it\u2019s not slowing down anytime soon.<\/p>\n<p>\u201cThe Test Track and our labs have shown what\u2019s possible when research and real-world needs come together,\u201d West said. \u201cFor 25 years, our sponsors and staff have helped turn innovation into practice, and we are confident the next 25 will bring even greater advances for the asphalt community and the traveling public. The questions may change, but the need for answers is constant.\u201d<\/p>\n<p>Every journey on America\u2019s roads carries with it the legacy of Auburn Engineering research. As NCAT prepares to celebrate 40 years as a national research center in 2026, its legacy is defined by innovations that have changed how pavements are engineered nationwide.<\/p>\n<p>After four decades of advancing asphalt research and a quarter century of transformative work at the Test Track, one thing remains clear: all roads lead to Auburn University.<\/p>\n<div id=\"buzzsprout-player-17710276\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>For 25 years, experiments on a 1.7-mile loop in Opelika have been changing the way America builds and maintains its highways.<\/p>\n","protected":false},"author":83,"featured_media":10551,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>25 Years on Track &raquo; Auburn Engineer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ecm.eng.auburn.edu\/wp\/emag\/?p=10540\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"25 Years on Track &raquo; 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