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Many employers and CDL drivers confuse Return-to-Duty testing with Follow-Up testing. While both are part of the DOT violation process, they serve very different purposes. Understanding the difference is essential for maintaining DOT compliance. What Is a Return-to-Duty Test? A Return-to-Duty (RTD) test is the test a driver must pass before returning to safety-sensitive work after a DOT drug or alcohol violation. The RTD test occurs: After SAP evaluation After treatment or ed

One of the most frustrating situations for CDL drivers is remaining in “Prohibited” status in the FMCSA Clearinghouse longer than expected. Many drivers believe they completed everything correctly — only to discover they still cannot legally return to work. Here are five common reasons drivers get stuck in prohibited status. 1. The SAP Process Was Never Started The Return-to-Duty process begins with a qualified Substance Abuse Professional (SAP). Without the SAP evaluation: T