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 | DAPA | Aggregate Tester | Aggregate TesterPerformance Exam* |
Asphalt Mix Tester | DAPA | Asphalt Mix Tester | Aggregate TesterAsphalt Mix TesterPerformance Exam(s)* |
Asphalt Mix Design & Control | NCAT | Asphalt Mix Controller | Aggregate TestingAsphalt Mix TestingAsphalt Pavement InspectionAsphalt Mix Design and Control |
Note: The Asphalt Mix Design & Control course offers two certification optionsAlso note the link takes you to Auburn University's bookstore where NCAT is located. | Asphalt Mix Designer | Aggregate TestingAsphalt Mix TestingAsphalt Pavement InspectionAsphalt Mix Design and ControlPerformance Exam* | |
Asphalt Pavement Inspection | NCAT | Asphalt Pavement Inspector | Asphalt Pavement Inspection |
Various dates | NDDOT | For aggregate or asphalt testers. Required to complete certification as a tester. | |
Soil Field Testing | NDDOT | Soil Field Tester | Course plus performance exam required for tester certification. |
See ND Ready Mix & Concrete | NDRM | Concrete Field Tester | ACI 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
| DAPA | API- Asphalt Pavement Inspector | Online 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 RenewalVarious dates | NDDOT | Aggregate or Asphalt Tester | Renewal course plus performance exam required for tester certification. |
Soil Field Tester Renewal | NDDOT | Soil Field Tester | New certification and renewal are the same class. Written exams and performance exams are included. |