Quality Assurance and Quality Control (QA/QC)
With over 100 teams of trained raters assessing the condition of roads statewide annually, data quality is of utmost importance to TAMC. Accurate PASER ratings depend on the judgment of the raters. Every year raters are required to attend PASER training and review the rating criteria. Various types of pavement distress are shown and there is a discussion on how various types of distress contribute to the appropriate rating for each road segment. The goal is uniform quality: all rating teams should assign the same rating when observing a given segment of road. In order to ensure this uniformity, a qualified transportation technician observes and independently rates over 2,000 road segments scattered throughout the state. These rating, known as the QC rating, are later compared to the ratings reported by the teams. The analysis shows that over 75 percent of the team ratings are either identical or within one rating point of the QC rating.