Aggregates

CTTP Online Training

Review material for Basic Math for Transportation and Basic Aggregates Testing Technician test methods.

Basic Aggregates Certification Renewal. *

* All currently certified CTTP technicians are required to complete the online refresher course in Basic Aggregates during calendar year 2017. Successful completion of this online course will result in CTTP certification in Basic Aggregates with an expiration date of Dec. 31, 2022.