AASHTO R 55-10
This practice covers the procedures for quantifying cracking in asphalt pavement surfaces, both inwheelpath and non-wheelpath areas. Detailed specifications are not included for equipment orinstruments used to make the measurements. According to this standard, any process that canquantify, with the accuracy stipulated herein, and that can be adequately validated, is consideredacceptable.
Note 1-Standardization will produce consistent pavement condition estimates for network-levelpavement management. As an option, the user may define and collect other data, such as edgecracking, centerline cracks, and transverse cracks. This standard is designed for use primarily withautomated data collection equipment. However, accommodations have been made for manualmethods.