TURNERFAIRBANK HIGHWAY RESEARCH CENTER AASHTO STANDING COMMITTEE ON

TURNER-FAIRBANK HIGHWAY RESEARCH CENTER AASHTO STANDING COMMITTEE ON HIGHWAYS Briefing on the Long-Term Pavement Performance Program Cheryl Allen Richter, P. E. , Ph. D. FHWA Office of Infrastructure R&D Assistant Director, Pavement Research and Development May 29, 2014

TURNER-FAIRBANK HIGHWAY RESEARCH CENTER The Long Term Pavement Performance Program • High-Level Overview • Why LTPP Matters in 2014 • What’s Ahead

TURNER-FAIRBANK HIGHWAY RESEARCH CENTER The LTPP Program Mission: Increase Pavement Life… HOW and WHY pavements perform as they do.

TURNER-FAIRBANK HIGHWAY RESEARCH CENTER Partnership AASHTO States & Provinces FHWA TRB

TURNER-FAIRBANK HIGHWAY RESEARCH CENTER Evolution of LTPP 1987: SHRP 1992: Transition to FHWA 2000: 2509 th Test Section Today: 745 Test Sections 2020: ?

TURNER-FAIRBANK HIGHWAY RESEARCH CENTER http: //www. infopave. com/

TURNER-FAIRBANK HIGHWAY RESEARCH CENTER Why LTPP Matters: Selected Contributions • • • AASHTOWare Pavement ME Design SHRP 2 Long-Life Renewal Performance Monitoring Guidance and Tools LTPP Bind Key Findings: RAP, Widened Lanes, Skewed Joints…

TURNER-FAIRBANK HIGHWAY RESEARCH CENTER WHY LTPP Matters - Continued • LTPP Database – Nationwide coverage – Consistent, high quality data – Critical mass Foundation For Managing Performance

TURNER-FAIRBANK HIGHWAY RESEARCH CENTER What’s Ahead • The LTPP Database – Maintain the Asset – User Support – Completion of Performance Histories – Ease Of Use Improvements

TURNER-FAIRBANK HIGHWAY RESEARCH CENTER What’s Ahead • Applying the Asset – LTPP Strategic Analysis Plan – 211 Projects – 76 projects completed – 18 in progress – 13 planned

TURNER-FAIRBANK HIGHWAY RESEARCH CENTER What’s Ahead • Warm Mix Asphalt Experiment – Recruitment Ongoing – Initiate Construction Summer 2014 • Pavement Preservation – Planning • Others - ?