Tires 

Tire Fuel Economy Consumer Information Program: Rolling Resistance, Treadwear, and Traction

• Two-Ply Laminate Fatigue Life of New, Field-Retrieved, And Laboratory-Aged Light-Vehicle Tires, DOT HS 811 758, May 2013
  
• Laboratory Tire Bead Unseating – Evaluation of New Equipment, Pressures and “A” Dimension From ASTM F-2663-07as, DOT HS 811 735, April 2013
  
• Report: Phase 1 - Evaluation of Laboratory Test Protocols, DOT HS 811 119, June 2009 [PDF, 1.1MB]
  
• Report: Phase 2 - Effects of Tire Rolling Resistance Levels on Traction, Treadwear, and Vehicle Fuel Economy, DOT HS 811 154, August 2009 [PDF, 4.5MB]
  
• Report: Dynamic Mechanical Properties of Passenger and Light Truck Tire Treads, DOT HS 811 270, February 2010 [PDF, 467KB]
  
  Tire Aging
  
  • Phoenix Tire Aging Study
  • "NHTSA Tire Aging Project – Phoenix Tire Collection Details". 03/19/2003 [PDF,143KB]
    
  • "NHTSA Tire Aging Project Laboratory Test Procedures" 04/13/2006 [PDF, 800KB]
    
  • "NHTSA Phoenix Tire Dataset Introduction"  [PDF,7KB]
    
  • "NHTSA Phoenix Tire Dataset"NHTSA Phoenix Tire Dataset 4.1 Notes". 10/31/2006 [PDF, 175KB]
    
  • "NHTSA Phoenix Tire Dataset 4.1".  10/31/2006 [MS Excel, 1.19MB]
    
  • "NHTSA Tire Aging Project Roadwheel Removal Codes v2.2"  [PDF, 834 KB]
    
  • NHTSA Tire Aging Test Development Project Report 1: Laboratory Roadwheel Testing of Light Vehicle Tires as Purchased New and After Retrieval From Service in Phoenix, Arizona October 2009, DOT HS 311 201
    
  • Video Clip: "Stepped-Up Speed Test Footage - Total Tread Separation". [WMV, 6.7 MB]
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    Laboratory Tire Aging Results

  • Report: Estimation of Resin Reinforcement in Tire Inter-Belt Wedge Compounds, DOT HS 811 323, June 2010
    
  • Report: Oxygen Consumption Rate in New and In-Service BFGoodrich P195/.65R15 Tires, DOT HS 811 126, March 2009
    
  • Report: Tire Aging Project Phase 1, Report #1, DOT HS 881 201, October 2009
    
  • Report Tire Aging Project Phase 1, Report #2, DOT HS 811 227, October 2009
    
  • Report: Crosslink Density and Type Distribution in the Rubber Compounds of New, In-Service, And Artificially Aged Tires, HS 811 265, February 2010
    
  • Report: Diffusion Limited Oxidation(DLO) Modeling of Tires During Oven Aging DOT HS 811 266, February 2010
    
  • Report: Tire Innerliner Analysis, DOT HS 811 296, March 2010
    
  • NHTSA Tire Aging Phases 1-4 Tire Models and Testing: A summary of the tire models used and tests conducted during Phases 1-4 of the Tire Aging Project
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    Tire Aging Presentations

  • Presentation  "What Applied Research Has Learned From Industry About Tire Aging". [PDF, 518 KB]
    
  • Presentation:  Design of Experiment - Tire Aging". [PDF, 238 KB]
    

  Nitrogen Inflation

  • The Effects of Varying the Levels of Nitrogen in the Inflation Gas of Tires on Laboratory Test Performance, March 2009 [PDF, 1.01MB]
    
    
  Tire Pressure Monitoring Systems