This specification covers asphalt binders graded by performance. Grading designations are related to the average seven-day maximum pavement design temperature and the minimum pavement design temperature. This specification contains Table 1 and Table 2. If no table is specified, the default is Table 1.
Table 2 incorporates AASHTO R 49 for determining the critical low cracking temperature using a combination of AASHTO T 313 and T 314 test procedures.
For asphalt cements graded by viscosity at 60°C, see AASHTO M 226.
AASHTO R 29 provides information for determining the performance grade of an asphalt binder.
For specifying performance-graded asphalt binder using Multiple Stress Creep Recovery (MSCR), see AASHTO M 332.
AASHTO M 320-10 (2015) History
AASHTO M 320-23
$52.00 $105.00
AASHTO M 320-22
$52.00 $105.00
AASHTO M 320-21
$48.00 $96.00
AASHTO M 320-17
$48.00 $96.00
AASHTO M 320-16
$37.00 $75.00
AASHTO M 320-10 (2015)
$37.00 $75.00
AASHTO M 320-05
$60.00 $120.00
More Standards PDF
AASHTO M 289-91 (2021)
$39.00 $78.00
AASHTO MDM-1
$189.00 $378.00
AASHTO T 103-91 (2004)
$60.00 $120.00
AASHTO HLED-2
$30.00 $60.00