There are over 400 drug treatment courts in the United States and they have evolved to offer varying types of models of treatment, all of which offer new strategies for providing services to drug-abuse offenders within the criminal justice system. Topics covered include a review of the status of substance abuse treatment, drug treatment courts theoretical models, research findings, national survey findings of treatment services, screening and assessment, and treatment modalities and placement. Case studies provide examples from different integration models, such as the brokerage model drug treatment court, as well as the in-house treatment model. Questions are raised and discussed regarding the difficult issues that an integrated service delivery model is required to address. And, in conclusion, it is recommended that future research questions address the value of an integrated, comprehensive service delivery system cutting across the treatment and criminal justice systems. Tables provide an overview of key questions regarding drug treatment court operations in an integrated fashion, and information concerning drug treatment court practice regarding treatment process issues. A list of source references is included.