Maryland Trailer Brake Laws 2026: 3,001 lb Rule
State towing-law summaries are educational only and are not legal advice. Verify your trailer type, actual weight or GVWR, and equipment requirements with official Maryland sources before towing.
Quick answer: 3,001 lb GVWR
In Maryland, trailer brakes are currently listed at 3,001 lb (GVWR). Breakaway equipment and safety chains may also be required depending on trailer type, weight, and coupling. Always verify with official Maryland sources before towing.
| Requirement | State rule | Applies when | Source | Last checked |
|---|---|---|---|---|
| Trailer brakes | 3,001 lb | GVWR | Verified | 2026-07-13 |
| Breakaway switch | Needs verification | Trailer type and weight may matter | Verified | 2026-07-13 |
| Safety chains | Needs verification | Conventional trailer couplings | Verified | 2026-07-13 |
| Speed / lane rule | Needs verification; follow posted limits. | Posted roads and vehicle combinations | Verified | 2026-07-13 |
| Double towing | Needs verification with Maryland law. | Multiple-trailer combinations | Verified | 2026-07-13 |
Official source links
Maryland COMAR states trailers and semitrailers up to 3,000 lb GVWR are not required to have brakes, 3,001-10,000 lb GVWR must have brakes on all wheels of at least one axle, and over 10,000 lb GVWR must have brakes on all wheels.
Compliance checklist
- Verify trailer GVWR and loaded weight before the trip.
- Check whether brakes are required under the 3,001 lb.
- Inspect brake controller, seven-way connector, and trailer brake function.
- Confirm breakaway battery, switch, cable routing, and pin condition.
- Use properly rated safety chains and attachment points.
- Check posted speed limits, lane rules, and trailer tire speed rating.
Related towing tools
Maryland towing law FAQ
Are trailer brakes required in Maryland?
Maryland currently lists a trailer brake threshold at 3,001 lb GVWR. Always verify the official state source before towing.
What weight requires trailer brakes in Maryland?
The current data lists 3,001 lb GVWR as the brake threshold.
Is a breakaway switch required in Maryland?
The breakaway-switch rule for Maryland needs verification with official state sources.
Are safety chains required in Maryland?
The safety-chain rule for Maryland needs verification with official state sources.
Can I tow two trailers in Maryland?
Needs verification with Maryland law.
What is the safest speed when towing in Maryland?
Needs verification; follow posted limits. Even where no special towing speed is verified, reduce speed for trailer tire ratings, grades, wind, and stopping distance.
Do RVs and travel trailers follow the same rules in Maryland?
Many brake rules apply by trailer type and weight, but RV, travel trailer, boat trailer, and utility trailer definitions can differ. Verify your exact trailer type with official state sources.
Where can I verify Maryland towing laws?
Use the official source links on this page first. Prefer state DOT, DMV, legislature, highway patrol, or public-safety pages over summaries from private websites.