Pavements

Asphalt Pavements

Current Projects and Activities

• Asphalt Pavement Recycling with Reclaimed Asphalt Pavement (RAP)
• Asphalt Mixture Performance Tester (AMPT)
• Expert Task Group on Asphalt Mixtures & Construction; Asphalt Binders; and Models Technology
• Mobile Asphalt Testing Trailer Program (.pdf, 0.2 mb)
• Recycling Team activities
• RD&T Recycling Information
• Warm Mix Asphalt Technologies and Research
• Crumb Rubber
• NIOSH Activities

Techbriefs

• Implementation of Remaining Service Interval Concept,
  FHWA-HRT-16-066 2016
• Testing for Fatigue Cracking in the Asphalt Mixture Performance Tester,
  FHWA-HIF-16-027 2016
• Tech Brief: Tack Coat Best Practices,
  FHWA-HIF-16-017 2016
• Determination of In-Place Elastic Layer Modulus: LTPP Backcalculation Methodology and Procedures,
  FHWA-HRT-15-037 2015
• TechBrief: Porous Asphalt Pavements with Stone Reservoirs,
  FHWA-HIF-15-009 2015
• TechBrief: The Use of Recycled Tire Rubber to Modify Asphalt Binder and Mixtures,
  FHWA-HIF-14-015 2014
• Asphalt Material Characterization for AASHTOWare® Pavement ME Design Using an Asphalt Mixture Performance Tester (AMPT),
  FHWA-HIF-13-060 2013
• TechBrief: Asphalt Mixture Performance Tester (AMPT),
  FHWA-HIF-13-005 2013
• Construction Quality Assurance for Design-Build Highway Projects,
  FHWA-HRT-12-039 2012
• TechBrief: An Alternative Asphalt Binder, Sulfur-Extended Asphalt (SEA),
  FHWA-HIF-12-037 2012
• The Use and Performance of Asphalt Binder Modified with Polyphosphoric Acid (PPA),
  FHWA-HIF-12-030 2012
• Techbrief: Independent Assurance Program,
  FHWA-HIF-12-001 2012
• The Multiple Stress Creep Recovery (MSCR) Procedure,
  FHWA-HIF-11-038 2011
• A Review of Aggregate and Asphalt Mixture Specific Gravity Measurements and Their Impacts on Asphalt Mix Design Properties and Mix Acceptance,
  FHWA-HIF-11-033 2011
• Superpave Gyratory Compactors,
  FHWA-HIF-11-032 2011
• Superpave Mix Design and Gyratory Compaction Levels,
  FHWA-HIF-11-031 2011
• TechBrief: Intelligent Compaction for Asphalt Materials,
  2010
• TechBrief: Phosphoric Acid as an Asphalt Modifier Guidelines for Use: Acid Type,
  FHWA-HRT-08-061 2008
• TechBrief: Comparison of Rehabilitation Strategies for AC Pavements,
  FHWA-RD-00-166 2000
• TechBrief: Performance Trends of Rehabilitation AC Pavements,
  FHWA-RD-00-165 2000
• TechBrief: Roughness Trends of Flexible Pavements,
  FHWA-RD-98-132 1998
• TechBrief: Improved Guidance for Users of the 1993 AASHTO Flexible Pavement Design Procedures,
  FHWA-RD-97-091 1997

Publications

• Four-mm Dynamic Shear Rheometry,
  FHWA-HRT-15-053 2017
• Analytical Method to Measure Water in Asphalt and Its Application to Emulsion Residue Recovery,
  FHWA-HRT-15-056 2017
• Long-Term Pavement Performance Bind Online,
  FHWA-HRT-17-009 2017
• Automated High-Performance Liquid Chromatography Saturate, Aromatic, Resin, And Asphaltene Separation,
  FHWA-HRT-15-055 2016
• Application and Validation of Remaining Service Interval Framework for Pavements,
  FHWA-HRT-16-053 2016

View all Asphalt Publications

NHI Training

• 131064 Introduction to Mechanistic Design for New and Rehabilitated Pavements
• 131063 Hot Mix Asphalt Pavement Evaluation and Rehabilitation
• 131032 Hot-Mix Asphalt Construction
• 131050 Asphalt Pavement Recycling Technologies
• 131053 - Superpave Fundamentals (not currently offered)

Other Training

• Asphalt Training
• Basics of Durable Asphalt Pavements - National Asphalt Pavement Association webinar (.avi, 215 mb)

Asphalt Team Oversees Cost Effective Solutions

Our staff works with Expert Task Groups (the ETGs)-which include representatives of the States, industry, and universities-to discuss ongoing national asphalt projects that are funded directly by the FHWA or through the National Cooperative Highway Research Program (NCHRP).