1. AASHTO M320-10-UL (2010). Standard method of test for performance graded asphalt binder. American Association of State Highway and Transportation Officials.
2. AASHTO T 240-13-UL (2013). 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 Highway and Transportation Officials.
3. AASHTO T315-12-UL (2012). Standard method of test for determining the rheological properties of asphalt binder using a dynamic shear rheometer (DSR). American Association of State Highway and Transportation Officials.
4. AASHTO T49-14-UL (2014). Standard method of test for penetration of bituminous materials. American Association of State Highway and Transportation Officials.
5. AASHTO T53-09-UL (2009). Standard method of test for softening point of bitumen (Ring-and-Ball Apparatus). American Association of State Highway and Transportation Officials.