23 CFR §490.307

1. (a)To carry out the NHPP, the performance measures for State DOTs to assess pavement condition are:
   1. (1)Percentage of pavements of the Interstate System in Good condition;
   2. (2)Percentage of pavements of the Interstate System in Poor condition;
   3. (3)Percentage of pavements of the non-Interstate NHS in Good condition; and
   4. (4)Percentage of pavements of the non-Interstate NHS in Poor condition.
2. (b)State DOTs will collect data using the methods described in § 490.309 and will process this data to calculate individual pavement metrics for each section of pavement that will be reported to FHWA as described in § 490.311. State DOTs and FHWA will use the reported pavement metrics to compute an overall performance of Good, Fair, or Poor, for each section of pavement as described in § 490.313.