1. AASHTO M320. (2021). Standard specification for performance-graded asphalt binder. American Association of State and Highway Transportation Officials.
2. AASHTO R28. (2022). Standard practice for accelerated aging of asphalt binder using a pressurized aging vessel (PAV). American Association of State and Highway Transportation Officials.
3. AASHTO T240. (2022). Standard method of test for effect of heat and Air on a moving film of asphalt binder (rolling thin-film oven test). American Association of State and Highway Transportation Officials.
4. AASHTO T313. (2019). Standard method of test for determining the flexural creep stiffness of asphalt binder using the bending beam rheometer (BBR). American Association of State and Highway Transportation Officials.
5. AASHTO T314. (2022). Standard method of test for determining the fracture properties of asphalt binder in direct tension (DT). American Association of State and Highway Transportation Officials.