Connecticut Trailer Brake Laws 2026: Required Over 3,000 lb
Connecticut DMV guidance states trailers with GVWR of 3,000 lb or more need a braking system operating on all wheels. Connecticut General Statutes 14-81 also uses gross vehicle weight rating language.
Quick answer: 3,000 lb GVWR
In Connecticut, trailer brakes are currently listed at 3,000 lb (GVWR). Because Connecticut reads GVWR, the number on the trailer data plate decides this â not what the trailer weighs on the day.
| Requirement | State rule | Applies when | Source | Last checked |
|---|---|---|---|---|
| Trailer brakes | 3,000 lb | GVWR | Verified | 2026-07-13 |
| Breakaway switch | Any trailer with a GVWR of 10,000 lb or more, plus commercial trailers meeting the federal motor carrier thresholds, requires an emergency breakaway device to set the trailer brakes upon separation from the towing vehicle. | Trailer type and weight may matter | R.C.S.A. 14-137-123, 14-137-124, as stated by Connecticut DMV | 2026-07-13 |
| Safety chains | Every tag-along or drawbar-type hitch must also be coupled to the tow vehicle's frame by safety chains or cables able to keep the coupler off the road. Two are required unless the tongue is designed for symmetrical support by one. | Conventional trailer couplings | R.C.S.A. 14-137-123, 14-137-124, as stated by Connecticut DMV | 2026-07-13 |
| Speed / lane rule | No towing-specific speed limit; follow posted limits. Limits are set by highway class â 55 mph general, 65 mph on designated highways â with no trailer or towing category. | Posted roads and vehicle combinations | Conn. Gen. Stat. 14-219 | 2026-07-13 |
| Double towing | Needs verification with Connecticut statutes or DMV. | Multiple-trailer combinations | Verified | 2026-07-13 |
Official source links
Connecticut DMV guidance states trailers with GVWR of 3,000 lb or more need a braking system operating on all wheels. Connecticut General Statutes 14-81 also uses gross vehicle weight rating language.
How the 3,000 lb threshold applies to three trailers
Connecticut measures GVWR, so the rating stamped on the trailer data plate is what counts, whatever the trailer weighs today.
| Example trailer | Weight checked | Against 3,000 lb |
|---|---|---|
| Small utility trailer | 1,650 lb | Under the Connecticut threshold by 1,350 lb |
| Loaded just under the line | 2,900 lb | Inside the Connecticut limit, but one heavy load away from crossing it |
| Mid-size travel trailer | 4,800 lb | Over the Connecticut threshold by 1,800 lb â brakes required |
Connecticut trailer equipment rules
Safety chains
RequiredEvery tag-along or drawbar-type hitch must also be coupled to the tow vehicle's frame by safety chains or cables able to keep the coupler off the road. Two are required unless the tongue is designed for symmetrical support by one.
R.C.S.A. 14-137-123, 14-137-124, as stated by Connecticut DMV âBreakaway system
RequiredAny trailer with a GVWR of 10,000 lb or more, plus commercial trailers meeting the federal motor carrier thresholds, requires an emergency breakaway device to set the trailer brakes upon separation from the towing vehicle.
R.C.S.A. 14-137-123, 14-137-124, as stated by Connecticut DMV âSpeed limit when towing
No towing-specific speed limit; follow posted limits. Limits are set by highway class â 55 mph general, 65 mph on designated highways â with no trailer or towing category.
Conn. Gen. Stat. 14-219 âRead against the linked sources on . Statutes change and enforcement varies by trailer type â confirm before you tow.
Towing more than one trailer in Connecticut
Needs verification with Connecticut statutes or DMV.
Speed and lane rules when towing in Connecticut
Needs verification; follow posted limits.
How Connecticut compares with neighbouring states
None of the 3 states bordering Connecticut set a stricter numeric brake threshold in this dataset, but bases and equipment rules still differ â check each state page before a trip.
| Bordering state | Brake threshold | Compared with Connecticut |
|---|---|---|
| Massachusetts | 10,000 lb unladen weight | 7,000 lb more permissive |
| New York | 3,000 lb GVWR | Same threshold |
| Rhode Island | 4,000 lb gross weight | 1,000 lb more permissive |
Planning a multi-state trip? The route brake law checker compares every state on a route at once.
Related towing tools
Connecticut towing law FAQ
Are trailer brakes required in Connecticut?
Connecticut currently lists a trailer brake threshold at 3,000 lb GVWR. Always verify the official state source before towing.
What weight requires trailer brakes in Connecticut?
The current data lists 3,000 lb GVWR as the brake threshold.
Is a breakaway switch required in Connecticut?
Any trailer with a GVWR of 10,000 lb or more, plus commercial trailers meeting the federal motor carrier thresholds, requires an emergency breakaway device to set the trailer brakes upon separation from the towing vehicle. (R.C.S.A. 14-137-123, 14-137-124, as stated by Connecticut DMV)
Are safety chains required in Connecticut?
Every tag-along or drawbar-type hitch must also be coupled to the tow vehicle's frame by safety chains or cables able to keep the coupler off the road. Two are required unless the tongue is designed for symmetrical support by one. (R.C.S.A. 14-137-123, 14-137-124, as stated by Connecticut DMV)
Can I tow two trailers in Connecticut?
Needs verification with Connecticut statutes or DMV.
Is there a towing speed limit in Connecticut?
No towing-specific speed limit; follow posted limits. Limits are set by highway class â 55 mph general, 65 mph on designated highways â with no trailer or towing category. (Conn. Gen. Stat. 14-219)
Does Connecticut measure trailer weight as GVWR or actual weight?
Connecticut uses GVWR, so the rating on the trailer data plate decides the answer even if the trailer is loaded lighter that day.
Where can I verify Connecticut towing laws?
Start with the 2 official sources linked on this page, beginning with Connecticut DMV trailer inspection brake equipment. Prefer state DOT, DMV, legislature, or public-safety pages over summaries from private websites. This page was last checked on 2026-07-13.