Return To Duty SAP provides fast and professional DOT SAP assessment and return-to-duty testing services for CDL drivers and safety-sensitive employees. Our certified Substance Abuse Professionals (SAPs) guide you through the DOT-mandated process with confidential evaluations, personalized treatment plans, and follow-up testing to ensure compliance with FMCSA regulations. Whether you need a DOT drug and alcohol test or help with the return-to-duty process, we’re here to support you every step of the way. Nationwide services available!