The 2025-2026 Schedule will be posted by November 3, 2025.

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The 2025-2026 Schedule will be posted by November 3, 2025.
Courses for a New Certification 
Date
Registration
Certification Offered
Required Courses for Certification
Aggregate Tester
 
DAPAAggregate Tester
Aggregate Tester
Performance Exam*
Asphalt Mix Tester
 
DAPAAsphalt Mix Tester
Aggregate Tester
Asphalt Mix Tester
Performance Exam(s)*
Asphalt Mix Design & Control
 
NCATAsphalt Mix Controller
Aggregate Testing
Asphalt Mix Testing
Asphalt Pavement Inspection
Asphalt Mix Design and Control
Note: The Asphalt Mix Design & Control course offers two certification options

Also note the link takes you to Auburn University's bookstore where NCAT is located.

 Asphalt Mix Designer
Aggregate Testing
Asphalt Mix Testing
Asphalt Pavement Inspection
Asphalt Mix Design and Control
Performance Exam*
Asphalt Pavement Inspection
 
NCATAsphalt Pavement Inspector
Asphalt Pavement Inspection

Performance Exam*

Various dates

NDDOT For aggregate or asphalt testers. Required to complete certification as a tester.
Soil Field Testing
 
NDDOTSoil Field Tester
Course plus performance exam required for tester certification.

Concrete Field Testing

See ND Ready Mix & Concrete
NDRMConcrete Field TesterACI Field Testing I if reciprocity requested
Courses for Renewal of a Certification 'Valid through 2025'
Date
Registration 
Certification
Required for Renewal
Asphalt Pavement Inspector Renewal

 

DAPAAPI- Asphalt Pavement InspectorOnline course and online exam
Asphalt Mix Renewal
 
DAPA

Asphalt Mix Tester

Asphalt Mix Designer

Asphalt Mix Controller

Online course, online exam, and in-person performance exam for tester certification.
Performance Exam for Renewal
Various dates
NDDOTAggregate or Asphalt TesterRenewal course plus performance exam required for tester certification.
Soil Field Tester Renewal
 
NDDOTSoil Field TesterNew certification and renewal are the same class.  Written exams and performance exams are included.