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Oklahoma State University

Cross, Stephen A., Ph.D., P.E.

Transportation Engineering
Office: 313 Engineering South
Phone: 405-744-7200



  • Ph.D. - Civil Engineering, Auburn University, 1992
  • M.S. - Civil Engineering, University of Arkansas, 1985
  • B.S. - Civil Engineering, University of Arkansas, 1980

Research Interests

Dr. Cross's areas of interest include pavement construction, cold mix recycling, asphalt mix design, and mixture characterization

Current Research Projects

  • Evaluation of Hamburg Rut Tester for Field Control of HMA -  ODOT
  • QC/QA Testing Differences Between Hot Mix Asphalt and Warm Mix Asphalt - ODOT
  • Automated Laser Spectrographic Pattern Matching for Aggregate Identification. NCHRP IDEA 20-30/IDEA 150 (Co-Investigator)
  • Development of a Flexible Pavement Database for Local Calibration of MEPDG - ODOT
  • Laser Characterization of Fine Aggregate – OTC/RITA.
  • Performance of Cold In-Place Recycling in New York State - NYSERDA. (Co-Investigator)

Awards and Recognition

  • Visiting Research Professor. Research Institute of Highways, Ministry of Communications, P. R. China, 2008 - 2010.
  • Member, Arkansas Academy of Civil Engineering, Inducted April 2005.
  • Recognition and Award for Improving the Quality and Use of Hot Mix Asphalt, Asphalt Pavement Alliance, March 2003.
  • Bellows Scholar. University of Kansas, School of Engineering, 2000 - 2001.
  • Award for Excellence in Cold In-Place Recycling. Asphalt Recycling and Reclaiming Association, February 1999.

Professional Memberships

  • International Society for Asphalt Pavements
  • Asphalt Recycling & Reclaiming Association.
  • American Society of Civil Engineers.
  • The Association of Asphalt Paving Technologists.
  • American Society for Testing and Materials

Professional Registerations

  • Registered Civil Engineer, State of Arizona, No. 18671.
  • Registered Professional Engineer, State of Missouri, No. 22407.
  • Registered Professional Engineer, State of Kansas, No. 12644.
  • Registered Professional Engineer, State of Oklahoma, No. 22452.

Recent Publications

  • Cross, Stephen A., Edward R. Kearney, Henry G. Justus and Warren H. Chesner. Cold In-Place Recycling in New York State. Final Summary Report, SPR Research Project No. C-06-21, NYSERDA-TORC Contract No. 6764F-2, New York State Department of Transportation, Albany, NY, July 2010, 248 pp.
  • Cross, Stephen A. “US Trends in Pavement Maintenance Using Cold In-Place Recycling.” Proceedings, 3rd (2009) International Pavement Maintenance Technology Congress (3PMTC), Guangzhou, P.R. China, May 21, 2009.
  • Cross, Stephen A. and Gyanendra Pokhrel.  “Evaluation of Vacuum Drying for Determination of Bulk pecific Gravity of HMA Samples.”  Compendium of Papers, 88th Annual Meeting of the Transportation Research Board. CD-ROM. Transportation Research Board, National Research Council, Washington, D.C., January 2009.
  • McTernan, William and Stephen A. Cross. Development of Liquidated Damages for the Oklahoma Department of Transportation. Report FHWA-OK-08-07. Oklahoma Department of Transportation, Oklahoma City, Oklahoma, August 2009, 71 pp.
  • Cross, Stephen A. “Application and Development of Recycling Technology in North America.” Proceedings, 2008 China Asphalt Emulsion Congress, Xi’an, P.R. China, April 10-12, 2008.