The primary objective of the 2008 TRaC study was to inform PSI/Angola’s HIV prevention program and provide and an evidence-base for decision-making. The 2008 survey is the second HIV TRaC study to collect HIV prevention information from commercial sex workers (CSW). Specifically, this study assesses trends in condom use behaviors and measures changes in the determinants of consistent condom use by monitoring indicators of opportunity, ability, motivation (OAM). Finally, this study will help to evaluate PSI/Angola HIV prevention programst hat target CSW.