Participants in this were randomly assigned to 1 of 3 treatment groups. Participants enrolled in Group 1 initiated methadone opiate replacement therapy about 1 month prior to release from incarceration. They proceeded with a methadone program of their choice upon release and received short-term payment to cover treatment costs. Participants enrolled in Group 2 were referred to a methadone program of their choice and received short-term payment to cover treatment costs. Participants enrolled in Group 3 were referred to a program of choice upon release from incarceration without receiving financial assistance. All participants had the opportunity to partake in existing support programs available at the Rhode Island Department of Corrections while incarcerated and in the community upon release. Follow-up assessments occurred at Months 1.5, 6, and 12. These included interviews and urine specimens for toxicology analysis to verify self-reports.