Project MATLINK: Development and Evaluation of a Screening, Brief Intervention, & Referral to Treatment (SBIRT) Program for Opioid Dependent Prisoners and Probationers Transitioning to the Community

Inclusion Criteria: 1. 18 years of age or older 2. Within 180 days of release or possible release (eligible for parole) to the community, but greater than 7 days to release to the community OR currently in probation. 3. FOR THOSE IN PRISON: Relocating to a location within 30 km (approximately 60-minute commute) of the referred Narcology center. Each participant will be asked the address he/she is planning to reside under that will be immediately checked on the map to determine the travel time. A participant then will be asked if he/she would be willing to travel the distance to a particular OAT site. If a person does not meet this inclusion criterion, he/she will be referred to a local harm reduction center. 4. Meets ICD-10 screening criteria for pre-incarceration opioid dependence FOR THOSE IN PROBATION: 5. Living within 30 km of an OAT delivery site 6. Not having received OAT in the last 15 days. 7. Positive for OUD Exclusion Criteria: 1. Pregnant or may become pregnant 2. FOR THOSE IN PRISON: Will be released from prison in 7 days or less.