The Drug & Alcohol Clearinghouse Check You Can't Run — And What Brokers Miss

The story starts with a driver who should have been grounded

MC-1247893 / DOT-3498871. Seventy-one power units, eight years of authority, satisfactory safety rating. BASIC scores in green across the board. Nothing on SAFER that would make you pause if you were clicking through a standard approval workflow.

The driver who caused a $2.1 million verdict against the carrier — and the broker who selected them — had a positive post-accident drug test on file with a previous employer fourteen months prior. He'd entered a return-to-duty program, completed it, and then gotten hired by this carrier. The carrier queried the Clearinghouse at hire. They saw the violation and the return-to-duty completion. They hired him anyway, with a follow-up testing requirement still in progress at the time of the crash.

The broker didn't know any of this. Because the broker can't see any of this. That's the reality of the FMCSA Drug & Alcohol Clearinghouse from a broker's seat — and most brokers have no idea the gap exists until they're sitting across from a plaintiff's attorney.

What the Clearinghouse actually is

The FMCSA Drug & Alcohol Clearinghouse went live in January 2020. It's a federal database that records CDL drivers' drug and alcohol program violations: positive tests, test refusals, return-to-duty status, and the completion of follow-up testing requirements mandated by 49 CFR Part 40. When a driver has an unresolved violation, they're prohibited from operating a CMV anywhere in the country until they've completed the return-to-duty process. The Clearinghouse is how that prohibition travels across employers.

Here's the part that matters for brokers: only motor carriers — acting as employers — can query a driver's Clearinghouse record. Drivers can query their own records. Law enforcement and certain other federal agencies have access. Brokers don't. No API, no public lookup, no workaround built into any TMS or load board.

There is a limited query and a full query. A limited query shows only whether a violation record exists — yes or no. A full query returns the actual violation detail, but it requires the driver's written consent and PIN. Motor carriers are required by the Clearinghouse final rule to run a limited query on all current drivers annually and a full query on every new driver before they operate a CMV. If a carrier isn't doing both, they're out of federal compliance with 49 CFR Part 382.

You, as a broker, cannot do either. You are not an employer of these drivers. That's not a regulatory gap waiting to be filled — it's the designed architecture of the system. What matters is whether you know it and act accordingly.

The D&A BASIC isn't the same thing

There's a Drug and Alcohol BASIC in the CSA scoring system. It's worth understanding exactly what it captures — and what it doesn't.

The D&A BASIC records violations found during roadside inspections and compliance reviews: a driver placed out-of-service for alcohol at a scale, a carrier that couldn't produce required testing records during a review, a positive test discovered in the field. These are enforcement actions — the visible tip of the iceberg.

A carrier can have zero violations in the D&A BASIC and still have drivers with active Clearinghouse entries. Positive tests logged by their own testing consortium. Return-to-duty programs still in progress. Follow-up testing requirements on drivers currently behind the wheel. None of that touches the D&A BASIC until an enforcement action happens.

So if you're looking at a clean D&A BASIC and concluding "no drug problems here," you're wrong. Green means no roadside D&A enforcement actions. That's a different thing than a clean Clearinghouse. This distinction almost never gets explained to brokers, which is why so many carrier approval workflows stop at BASIC scores and miss the rest.

What you can verify as a broker

You can't query the Clearinghouse. You can verify that the carrier is taking it seriously — and build a record that you checked.

On the T-call: Ask specifically whether the carrier runs pre-employment Clearinghouse queries on every new driver. It's a required question under the architecture of 49 CFR § 382.301 compliance. If the safety director you're talking to doesn't know what a Clearinghouse full query is, or says they've never had to do it, that's a signal about how seriously the carrier takes Part 382 compliance generally. Don't accept "yeah we do drug tests" as an answer — that's a different thing. The question is whether they query the federal Clearinghouse at hire and run the annual limited query on active drivers. Those are two specific steps with specific regulatory citations behind them.

On the carrier packet: Ask for proof of enrollment with a C/TPA — a Consortium/Third-Party Administrator — or documentation showing their testing program structure. Not every broker requests this. Most carriers that take the program seriously will have a letter from their TPA or a copy of their written D&A policy. Carriers that have never been asked for this documentation, and are annoyed that you're asking, are telling you something.

In SAFER: Pull the compliance review history. An unsatisfactory or conditional rating that included D&A findings will show in the review narrative. If the carrier had a compliance review in the last two to three years, read what the investigators found — not just the final rating. The rating can age out or get improved while the underlying findings stay visible in the history.

On the D&A BASIC: A score in the alert threshold (65th percentile for general non-passenger, non-hazmat carriers) tells you that roadside D&A enforcement actions have been above peer average. It doesn't show you Clearinghouse entries, but a carrier with repeated D&A inspection violations is telling you something about how the testing program is managed at street level.

The Part 382 citation and what it means at load-tender time

49 CFR Part 382 — Controlled Substances and Alcohol Use and Testing — is the entire federal framework for CDL driver D&A testing. Pre-employment, random, post-accident, reasonable suspicion, return-to-duty, follow-up. Motor carriers operating CMVs in interstate commerce are required to maintain a compliant program for every safety-sensitive employee.

At load-tender time, what this means practically: if a carrier is running a broken D&A program — missing random testing pool requirements, not querying the Clearinghouse at hire, not maintaining required records — that non-compliance is simultaneously a federal safety violation and a negligent hiring fact that will surface in discovery after an accident.

Post-Montgomery v. Caribe Transport II, the broker's selection decision is back on the table in state court. The question plaintiff's counsel asks isn't just "did the carrier have authority and insurance?" It's "did the broker take reasonable steps to assess whether this carrier was operating safely?" A broker who asked about D&A program compliance, documented the answer, and kept the carrier packet is in a materially different position than one who ran SAFER, saw green BASICs, and clicked approve.

One thing I've seen in broker files during discovery: the T-call notes are usually the difference between a defensible position and an exposed one. You can't control what the carrier did in their testing program. You can control what questions you asked and whether you recorded the answers.

What the Clearinghouse gap means in a lawsuit

Here's how the chain looks in litigation:

A driver causes a serious accident. Plaintiff's attorney subpoenas the driver's Clearinghouse record. The record shows a positive test from a prior employer, a return-to-duty program, and a follow-up testing requirement that was still active at the time of the crash. The carrier knew this when they hired the driver. The carrier's testing consortium records confirm the carrier was informed.

Now the broker is in discovery. The plaintiff's attorney asks: what did the broker do to vet this carrier's driver safety practices? If the broker can only produce a SAFER screenshot and a signed carrier packet without D&A documentation, the follow-up questions are going to be uncomfortable: did you ask about Clearinghouse compliance? Did you ask whether their drivers are queried at hire? Did you verify that the testing program met Part 382 requirements?

"We didn't know about the Clearinghouse gap" is not a legal defense. It's an admission. The broker who can produce a T-call summary with specific D&A questions and answers — not boilerplate, but actual answers from an actual conversation — is in a different position than the broker who never thought to ask.

How DOTScreener connects this

Continuous Monitoring re-files a Carrier Selection Record every time you dispatch to an approved carrier. That running timestamp matters when a carrier's D&A BASIC moves between your approval date and the load date — you have documented evidence of what the score showed at the point you made the selection decision, not whatever the score is after the plaintiff's expert pulls it in discovery.

The Carrier Onboarding packet gets your carriers to execute a signed agreement that includes their compliance attestations. If you build your D&A questions into that packet — proof of C/TPA enrollment, acknowledgment of Clearinghouse query obligations, written D&A program on file — you have a document that exists before any accident, not assembled afterward.

How I document this

For any carrier going on a lane with elevated risk — high-value freight, pharmaceutical, temperature-sensitive loads, or any carrier I'm approving for the first time — the D&A piece of the file looks like this:

1. D&A BASIC score — screenshot from SAFER at time of approval, with timestamp. If it's in the alert range, I note it explicitly and document what else I verified.

2. T-call notes — "Confirmed carrier runs pre-employment full Clearinghouse query per § 382.301 and annual limited queries on active drivers per the January 2020 Clearinghouse final rule. Confirmed enrollment with [C/TPA name] for random testing pool." Name, date, time, how the call was conducted.

3. Carrier packet documentation — C/TPA enrollment letter or written D&A program included. If the carrier can't produce this in a reasonable amount of time, I'm asking why.

4. Compliance review history — if the carrier has had a review in the last three years, I note whether D&A was flagged.

None of this gives me Clearinghouse access. What it gives me is a documented process that shows I understood the Clearinghouse gap existed, asked the right questions about how the carrier managed D&A compliance on their end, and recorded what I found. That's a paper trail that holds up when someone asks whether reasonable care was exercised.

The brokers who are going to struggle in discovery are the ones who assumed that green BASIC scores meant no drug problems and stopped there. The Clearinghouse gap is real. It's baked into the regulatory structure. The only question is whether you've built a process that acknowledges it — or whether you're counting on the gap never mattering until it does.

— Mason Lavallet

Founder, DOTScreener.com