The purpose of this program is to develop and maintain a pool of well trained specialists for state and contract forces to design, test and manage hot mix asphalt materials. The intent of this program is to improve the quality and performance of hot mix asphalt pavements through knowledge and understanding of the product. This program will provide training /certification for at least three (3) levels of expertise in testing and evaluating hot mix asphalt. These include HMA Plant Production Specialist (Level 1-A), HMA Roadway Specialist (Level 1-B), and HMA Mix Design Specialist (Level 2). The addition of the Soils & Flexible Bases training/certification is an important step into improving the quality of the roads in Texas. Like their counterpart, the Soils & Flexible Bases will be a certification that is valid for three years. The certifications for Soils & Flexible Bases have been broken down into four courses, SB 101, SB 102, SB 103, SB 201, and SB 202. Please select a class to view the test procedures covered for each class.