Quick answer: A Montgomery County CDL violation lawyer can often stop a citation from becoming the conviction that disqualifies your commercial license. Under 49 CFR 383.51, one major offense means a 1-year disqualification (3 years if you were hauling placarded hazmat), and a second major offense is a lifetime ban. Paying the ticket or taking probation before judgment does not erase it — the federal anti-masking rule, 49 CFR 384.226, forces the conviction onto your record no matter which vehicle you were driving.
I’m David Waranch, and I’ve handled thousands of Maryland traffic and CDL cases. On I-270, the Capital Beltway (I-495), US-29, and MD-355, a stop that a regular driver would forget by the weekend can end a commercial driver’s career. Here is what is actually at stake and where a defense can change the result.
Why a CDL Violation in Montgomery County Is Worse Than a Regular Ticket
Commercial drivers answer to two layers of law at once: the Maryland MVA under Md. Code, Transp. § 16-812 and the Federal Motor Carrier Safety Administration under 49 CFR Part 383. Maryland’s statute is written to track the federal disqualification tables, so a conviction that costs an ordinary driver a fine and a few points can strip a CDL holder of the right to earn a living.
The part that catches most drivers off guard: convictions count against your CDL even when you were in your own personal car. A DUI on a Saturday errand, a reckless-driving charge in the family SUV, or a refusal to test on I-270 all reach your commercial license under § 383.51. The vehicle you were driving does not shield the CDL. That is why I treat every charge against a commercial driver — however minor it looks on the citation — as a threat to their livelihood, and why moving early usually gives you the most room to protect it. For the wider view, see how traffic tickets affect a Maryland CDL.
Major Offenses vs. Serious Violations: The Disqualification Periods
Federal law sorts CDL disqualifications into categories, and the periods are fixed — a judge in Rockville cannot shorten them once a conviction is entered. That is the whole reason the fight has to happen before conviction, not after. Here is what § 383.51 actually imposes.
| Category | Examples | First conviction | Repeat |
|---|---|---|---|
| Major offenses | DUI/DWI, 0.04+ BAC in a CMV, refusing a chemical test, leaving the scene, using a vehicle to commit a felony, causing a fatality by negligent driving | 1 year (3 years if transporting placarded hazmat) | Lifetime for a second (may be reduced to 10 years after an approved program) |
| Serious traffic violations | Speeding 15+ mph over, reckless driving, improper or erratic lane changes, following too closely, texting or handheld phone in a CMV, driving without the proper CDL or class | No disqualification for one conviction, but it goes on the record | 60 days for a 2nd within 3 years; 120 days for a 3rd |
| Out-of-service order violations | Driving after being placed out of service at a weigh station or roadside inspection | 180 days to 1 year (non-hazmat) | 2 to 5 years for a 2nd within 10 years |
| Railroad-crossing violations | Failing to slow, stop, or clear a grade crossing in a CMV | No less than 60 days | 120 days for a 2nd within 3 years; 1 year for a 3rd |
Notice what the live math is here. A single serious violation will not disqualify you, but it lands on your record and counts toward the two- and three-strike windows above. Two speeding-15-over convictions in three years cost you 60 days off the road; a third costs 120. For a commercial driver those are lost paychecks, not abstractions. I break the categories down further on my Maryland CDL disqualifications page.
Maryland adds one more consequence people miss. Under Transp. § 16-812(p), any disqualification of a year or more means you cannot simply pick your CDL back up when the clock runs out — you have to apply for a brand-new commercial license and pass the skills and knowledge tests over again.
Does Paying the Ticket or Taking PBJ Protect My CDL?
No — and this is the single most expensive mistake I see commercial drivers make. For a regular driver, paying a payable citation or taking probation before judgment (PBJ) can keep a conviction off the record. For a CDL holder, federal law shuts that door on every conviction, not just DUIs.
PBJ does not hide a CDL conviction. The federal anti-masking rule, 49 CFR 384.226, forbids any state from masking, deferring, or diverting a CDL holder’s conviction — for any conviction, in a commercial or a personal vehicle. Maryland has to report it. So the usual “take PBJ and it goes away” strategy does not protect your commercial license, and paying a preset fine is worse: paying is a guilty plea that creates the conviction outright.
That does not make your case hopeless — it changes the goal. Instead of leaning on PBJ to bury a conviction, the aim becomes avoiding the conviction: getting the charge dismissed, reduced to something outside the disqualification tables, or beaten at trial. On any payable citation you have real options within 30 days: pay the fine (a guilty plea), request a payment plan, request a waiver hearing to plead “guilty with an explanation,” or request a trial to plead not guilty. A hearing or trial is not risk-free — the fine can be raised up to a maximum of $500 — but it keeps a non-conviction outcome on the table, which for a CDL is the whole ballgame. If you are not sure whether your ticket is even payable, read payable vs. must-appear tickets in Maryland.
Common CDL Charges I Defend in Montgomery County
Montgomery County carries some of the heaviest commuter and freight traffic in the state, and the CMV stops I see cluster around a handful of charges. The most common:
- Speeding 15+ mph over and reckless or aggressive driving on I-270 and the Capital Beltway (I-495)
- Following too closely and improper or erratic lane changes flagged in heavy Beltway traffic and by roadside inspectors
- DUI/DWI and test refusals — major offenses that reach the CDL even in a personal vehicle
- Overweight and oversize violations caught on the US-29 and MD-355 corridors
- Logbook, hours-of-service, and ELD violations found at inspection
- Out-of-service order violations and hazmat endorsement problems
- Driving without the proper CDL class or endorsement for the load
Points matter too, on top of the federal periods. Maryland assigns points to most of these offenses, and enough points can trigger MVA suspension separate from any FMCSA disqualification. My overview of Maryland’s point system explains how that stacks up. For the full commercial-driver picture, the CDL and commercial drivers knowledge hub and my main Maryland CDL defense page go deeper.
Where Montgomery County CDL Cases Are Heard
Montgomery County traffic and CDL cases are handled in the District Court in Rockville (with a second District Court location in Silver Spring), and cases that go up on a jury-trial prayer or an appeal move to the Circuit Court for Montgomery County in Rockville. Most CMV stops in the county come off a few corridors: I-270 running northwest toward Frederick, the Capital Beltway (I-495) along the southern edge, US-29 (Columbia Pike) through the eastern side of the county, and MD-355 (Rockville Pike/Frederick Road) up the middle. Knowing how the local prosecutors and judges handle commercial cases — which reductions they will consider and which they will not — is a real part of getting a workable result. If your matter is broader than the CDL charge, my Montgomery County traffic lawyer page covers the rest.
How a Montgomery County CDL Violation Lawyer Builds a Defense
Because the disqualification periods lock the moment a conviction is entered, my work happens up front. I look at whether the stop or inspection was lawful, whether speed-measuring equipment was calibrated and the operator certified, whether a weigh-station or roadside inspection followed the rules, and whether logbook or ELD data actually supports the charge. From there the path is usually one of three: get the charge dismissed, negotiate it down to an offense that sits outside the § 383.51 tables, or take it to trial. I also watch the MVA side — points, suspension exposure, and any FMCSA Clearinghouse fallout — so a win in the courtroom is not undone at the licensing agency. If a drug or alcohol charge put you in the FMCSA Clearinghouse, that carries its own return-to-duty process we handle in parallel.
Montgomery County CDL Violation FAQ
Yes. Under 49 CFR 383.51, major offenses and serious traffic violations count toward CDL disqualification whether you were driving a commercial or a personal vehicle. A DUI or a refusal in your own car can disqualify your CDL for a year or more.
No. The federal anti-masking rule, 49 CFR 384.226, bars states from using PBJ or diversion to hide a CDL holder’s conviction in any vehicle. For a commercial driver the goal is to avoid the conviction entirely, not to mask it afterward.
One year for a first major offense, or three years if you were transporting placarded hazardous materials. A second major offense is a lifetime disqualification, which may be reduced to 10 years after an approved rehabilitation program.
Law Offices of David R. Waranch — 301-563-9575 · toll-free 1-877-566-2408. Hablamos Español.
Last updated: August 2026. Statutory references: 49 CFR §§ 383.51 and 384.226; Md. Code, Transp. § 16-812. This page is general information about Maryland law, not legal advice, and reading it does not create an attorney-client relationship.