AASHTO Designation: M 320-05 pdf free download

Standard  Specification for

Performance-Graded  Asphalt Binder

AASHTO Designation: M 320-05


AASHTO Designation: M 320-05 pdf free download

This specification covers asphalt binders graded by performance.

Grading designations are related to the average seven-day maximum pavement design and minimum pavement design temperatures.

This specification contains Table 1   and Table 2.  Table 2 incorporates PP 42 for determining the critical low cracking temperature using a combination of T 313   and T 314  test procedures.

Ifno table  is specified,  the default is Table 1.

Note 1-For  asphalt cements graded by penetration at 25°C, see M 20.  For asphalt cements graded by viscosity  at 60°C, see M 226.

Note 2-R 29 provides information for determining the performance grade of an asphalt binder.


2.1. AASHTO Standards:

Click below to download AASHTO Designation: M 320-05 pdf free

Click here to download  AASHTO Designation: M 319-02 (2006) pdf free download

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