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Falling Weight Deflectometer
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Specifiers

The gold standard for laboratory accreditation in the construction industry

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Calibration that ensures data is accurate and repeatable

"We recognize they’re very effective at what they do and they pretty much lead the pack in that regard, so that’s why we lean on them."

California Division of the State Architect

Eric France, Construction Supervisor II

Overview
Fees
Schedule 
Certified Operators
Certified Centers
Program Requirements 
FWD Calibration Software
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60+ years of experience
3,000+
PSP participants
23,000+
samples shipped per year
1,000
laboratory assessments per year
2,100+
accredited labs


FWD Documents Calibration Center Operators' Forum FWD Links

Certified FWD Calibration Centers

The following FWD calibration centers have been certified by AASHTO for proficiency in calibration of falling weight deflectometers in accordance with AASHTO R 32. 

Find a list of certified operators on the FWD Certified Operators page. 

Center Name Center Location Certification Expiration View Certificate
APSA Ltda. Chile Santiago, Chile November 30, 2026 PDF
Colorado Department of Transportation Denver, Colorado January 31, 2028 PDF
Dynatest Colombia Bogota, Colombia August 31, 2027 PDF
Dynatest US, Inc Gainesville, Florida January 31, 2027 PDF
ERES International, Inc. Savoy, Illinois August 31, 2026 PDF
Evaluación Integral de Obras Civiles, S.A. de C.V Purísima de Bustos, Gto., México September 30, 2026 PDF
GeoSense SAS Bogota, Colombia August 31, 2027 PDF
Indiana Department of Transportation West Lafayette, Indiana November 30, 2027 PDF
Infraconsult Consultoria De Engenharia LTDA Sao Paolo, Brazil April 30, 2026 PDF
Minnesota Department of Transportation Maplewood, Minnesota October 31, 2026 PDF
Montana Department of Transportation Helena, Montana December 12, 2025 PDF
Pennsylvania Department of Transportation Harrisburg, Pennsylvania March 31, 2028 PDF
QESH Advisory Services Westmead Kwazulu Natal, South Africa August 31, 2026 PDF
Roadrunner Engenharia Ltda Jacare, Brazil April 30, 2028 PDF
SWECO Danmark, A/S Kolding, Denmark June 30, 2027 PDF
Tetra Tech Canada, Inc. Edmonton, Alberta, Canada April 30, 2027 PDF
Texas Department of Transportation College Station, Texas July 31, 2027 PDF
TMR Ltd. Cambridge, Ontario, Canada October 31, 2026 PDF
University of California Pavement Research Center Davis, California October 31, 2027 PDF
VVPave Lima, Peru December 31, 2027 PDF

** Certification pending next on-site evaluation. 

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