Class Enrollment

Hot Mix Asphalt Mix Design Certification Course (No CEI)
Date/Time:	February 23-27, 2026 @ 10:00 AM Central.
Location:	TDOT Region 3 Auditorium
Class Price:	$450.00

This course provides an overview of Hot Mix Asphalt, mix design and verification testing, and TDOT Mix related specifications.

Who is required to have this course?

• Each mix design submitted by the contractor must be prepared and signed by a certified TDOT Asphalt Mix Design. (TDOT Specification 407.03.C.1)
• TDOT Materials and Tests employees that will be conducting verification testing for mix designs.
• In general this specification is not required for TDOT Operations personnel

Scope of Course

• AASHTO T 2 - Standard Practice for Sampling Aggregates
  
• AASHTO T 11 - Materials Finer than No. 200 Sieve in Mineral Aggregates by Washing.
• AASHTO T 27 - Sieve Analysis of Fine and Coarse Aggregates
• AASHTO T 84 - Specific Gravity and Absorption of Fine Aggregate
• AASHTO T 85 - Specific Gravity and Absorption of Coarse Aggregate
• AASHTO T 166 - Bulk Specific Gravity of Compacted Bituminous Mixtures Using   Saturated Surface-Dry Specimens
• AASHTO T 176 - Plastic Fines in Graded Aggregates and Soils by Use of the Sand Equivalent Test
• AASHTO T 209 - Theoretical Maximum Specific Gravity and Density of Bituminous Paving Mixtures
• AASHTO T 245 - Resistance to Plastic Flow of Bituminous Mixtures Using Marshall Apparatus
• AASHTO T 248 - Reducing Samples of Aggregate to Testing Size
• AASHTO T 304 - Uncompacted Void Content of Fine Aggregate
• AASHTO T 308 - Determining the Asphalt Binder Content of Hot Mix Asphalt (HMA) by the Ignition Method
• AASHTO TP 4 - Standard Method for Preparing and Determining the Density of Hot Mix Asphalt (HMA) Specimens by means of teh Superpave Gyratory Compactor
• ASTM D 4867 - Standard Test Method for Effect of Moisture on Asphalt Concrete Paving Mixture
• ASTM D 4791 - Standard Test Method for Flat Particles, Elongated Particles, or Flat and Elongated Particles in Coarse Aggregate
• TDOT Test Method for Glassy Particles in Slag
• TDOT Test Method for Fractured Face Count for Marshall Mixes
• TDOT Test Method for Loss on Ignition for Surgace Mixes
• TDOT Test Method for Ten Minute Boil Test for Anti-Stripping Dosage Rate

TDOT Employees

• Completion of Hot Mix Asphalt QA/C Level 1 and Level 2
  
• Minimum of 1 year with the Department
• Supervisor's approval and written recommendation that employee is:
  • Has general knowledge of asphalt mix laboratory testing
  • Familiarity with applicable TDOT Standard Specifications
  • Has a need to be certified as an Asphalt Mix Design Technician

Certification Requirement

TDOT will grant a 5 year certification only to those applicants who meet the following requirements:

• Attendance of the 4-Day Course in its entirety
• Successful completion of a 4 hour maximum examination with a passing score of 70% or above. (The exam is OPEN book)
• Successful Lab Demonstration for Regional Materials and Tests Personnel