Verified
Wyoming Trailer Brake Laws 2026: No Weight Threshold
Wyoming Statutes 31-5-950 is verified as a performance-based braking rule. Every motor vehicle and combination must have a service braking system that stops within 40 feet from 20 mph on a level, dry, smooth, hard surface. The official source does not provide a simple universal private-trailer weight threshold.
- Brake threshold
- No weight cutoffperformance rule
- Breakaway switch
- Not recorded
- Safety chains
- Not recorded
- Towing speed
- Posted limits
- Double towing
- Not recorded
On this page7 sections
Quick answer: verified stopping-distance performance rule
In Wyoming, the verified source set does not show a simple universal numeric trailer brake threshold. The state is modeled as a verified stopping-distance performance rule.
Wyoming trailer equipment rules
Trailer brakes
verified stopping-distance performance rule
Wyoming source review found a combination braking performance requirement of stopping within 40 feet from 20 mph on a level, dry, smooth, hard surface.
- Applies when
- performance rule
- Source
- Verified
- Last checked
- 2026-07-13
Breakaway switch
Needs verification
- Applies when
- Trailer type and weight may matter
- Source
- Verified
- Last checked
- 2026-07-13
Safety chains
Needs verification
- Applies when
- Conventional trailer couplings
- Source
- Verified
- Last checked
- 2026-07-13
Speed / lane rule
No towing-specific speed limit; follow posted limits. Maximums are 75 mph on interstates (80 mph where designated), 70 mph on non-interstate state highways, 65 mph on other paved roads and 55 mph unpaved.
- Applies when
- Posted roads and vehicle combinations
- Source
- Wyo. Stat. 31-5-301(b)
- Last checked
- 2026-08-21
Double towing
Needs separate verification with Wyoming combination and length rules before towing multiple trailers.
- Applies when
- Multiple-trailer combinations
- Source
- Verified
- Last checked
- 2026-07-13
Read against the linked sources on . Statutes change and enforcement varies by trailer type — confirm before you tow.
Check your setup
How Wyoming compares with neighbouring states
None of the 6 states bordering Wyoming set a stricter numeric brake threshold in this dataset, but bases and equipment rules still differ — check each state page before a trip.
| Bordering state | Brake threshold | Compared with Wyoming |
|---|---|---|
| Colorado | 3,000 lb gross weight | Different rule type — compare directly |
| Idaho | 1,500 lb unladen weight | Different rule type — compare directly |
| Montana | 3,000 lb gross weight | Different rule type — compare directly |
| Nebraska | 3,000 lb gross weight | Different rule type — compare directly |
| South Dakota | 3,000 lb gross weight | Different rule type — compare directly |
| Utah | verified stopping-distance performance rule | Different rule type — compare directly |
Planning a multi-state trip? The route brake law checker compares every state on a route at once.
Official source links
- Wyoming Statutes Title 31 PDF statute
- Wyoming DOT dot
Wyoming towing law FAQ
Are trailer brakes required in Wyoming?
Wyoming does not publish a simple universal numeric trailer brake threshold in the verified source set used here. The rule is handled as a verified stopping-distance performance rule, so trailer type, stopping performance, equipment type, speed, or route condition may decide the answer.
What weight requires trailer brakes in Wyoming?
Wyoming is not modeled as a simple pound-threshold state. Use the official source links because this page verifies a verified stopping-distance performance rule instead of a universal weight cutoff.
Is a breakaway switch required in Wyoming?
The breakaway-switch rule for Wyoming needs verification with official state sources.
Are safety chains required in Wyoming?
The safety-chain rule for Wyoming needs verification with official state sources.
Can I tow two trailers in Wyoming?
Needs separate verification with Wyoming combination and length rules before towing multiple trailers.
Is there a towing speed limit in Wyoming?
No towing-specific speed limit; follow posted limits. Maximums are 75 mph on interstates (80 mph where designated), 70 mph on non-interstate state highways, 65 mph on other paved roads and 55 mph unpaved. (Wyo. Stat. 31-5-301(b))
Does Wyoming measure trailer weight as GVWR or actual weight?
Wyoming uses performance rule, so weigh the trailer as you actually tow it rather than reading the data plate.
Where can I verify Wyoming towing laws?
Start with the 2 official sources linked on this page, beginning with Wyoming Statutes Title 31 PDF. Prefer state DOT, DMV, legislature, or public-safety pages over summaries from private websites. This page was last checked on 2026-07-13.
Disclaimer: educational summary, not legal advice. Statutes and enforcement practice change — verify the Wyoming sources linked above before towing.