Trailer Size Limits / Brake Laws

Parentheses indicate referral to Special Notes section below.

 

TRAILER SIZE LIMITS

TRAILER BRAKES

RIDING
PERMITTED

CAMPING
PERMITTED

Province/State

Length

Combined
Trailer/
Towing Vehicle

Width Height

Independent
Brake System (A)

In Towed Trailer

In Pickup Camper

In State
Rest Areas

Canada
Alberta
41' / 12.5 m
66' / 20 m
8' 6" / 2.6 m
12' 6" / 3.85 m
2,004 lb.
No
Yes (I)
No
British Columbia
41' / 12.5 m
66' / 20 m
8' 6" / 2.6 m
13' 6" / 4.15 m
3,087 lb.
No
NR
No
Manitoba
41' / 12.5 m
71' / 21.5 m
8' 6" / 2.6 m
13' 6" / 4.15 m
2,007 lb.
No
Yes
As posted
New Brunswick
41' / 12.5 m
75' 5" / 23 m
8' 6" / 2.6 m
13' 6" / 4.15 m
3,308 lb.
No
No
As posted
Newfoundland
41' / 12.5 m
75' 5" / 23 m
8' 6" / 2.6 m
13' 6" / 4.1 m
9,923 lb. (N)
NR (B)
NR (B)
As posted
NWT Nunavut
41' / 12.5 m
69' / 21 m
8' 6" / 2.6 m
13' 6" / 4.15 m
2,999 lb.
No
Yes (I)
-
Nova Scotia
48' 1" / 14.65 m
75' 5" / 23 m
8' 6" / 2.6 m
13' 6" / 4.15 m
2,977 lb.
No
Yes (J)
Yes
Ontario
41' / 12.5 m
75' 5" / 23 m
8' 6" / 2.6 m
13' 6" / 4.15 m
2,977 lb.
No

Yes

NR (B)
Prince Edward Is.
53' 2" / 16.2 m
75' 5" / 23 m
8' 6" / 2.6 m
14' 8" / 4.5 m
2,977 lb.
Yes
Yes
As posted
Quebec
53' 2" / 16.2 m
75' 5" / 23 m
8' 6" / 2.6 m
13' 6" / 4.15 m
2,867 lb.
No
Yes
No
Saskatchewan
41' / 12.5 m
75' 5" / 23 m
8' 6" / 2.6 m
13' 6" / 4.15 m
2,977 lb.
No
Yes
No
Yukon Territory

53' / 16.15 m

82' / 25 m
8' 2" / 2.5 m
13' 7" / 4.2 m
2,007 lb.
No
Yes
No
United States
Alabama
40'
60'
8'
13 1/2'
3,000 lbs.
No
Yes
No
Alaska
40'
75'
8 1/2'
14'
5,000 lbs.
No
Yes
As posted
Arizona
Varies
65'
8'
13 1/2'
3,000 lbs.
Yes (C)
Yes
No tents
Arkansas
-
-
8 1/2'
13 1/2'
3,000 lbs.
No
-
No
California
40'
65'
8 1/2'
14'
1,500 lbs.
No (F)
Yes (F)
No
Colorado
45
70'
8' 1/2"
13'
3,000 lbs.
No
Yes
No
Connecticut
45'
60'
8 1/2'
13 1/2'
3,000 lbs.
No
Yes
No
Delaware
40'
70'
8' 1/2"
13' 1/2"
4,000 lbs.
No
NR (B)
No
D.C. 40' 55' 8' 13' 3,000 lbs. No Yes -
Florida
48'
65'
8 1/2'
13 1/2'
3,000 lbs.
No
Yes
As posted
Georgia
-
55'
8'
13 1/2'
3,000 lbs.
No
NR (B)
No
Hawaii
40'
65'
9'
13 1/2'
3,000 lbs.
No
Yes
-
Idaho
48'
75'
8 1/2'
14'
1,500 lbs.
No
Yes
No
Illinois
42'
60'
8'
13 1/2'
3,000 lbs.
No
NR (B)
No
Indiana
-
60'
8' 1/2"
13' 1/2"
3,000 lbs.
Yes
Yes
No
Iowa
-
65'
8 1/2'
13 1/2'
3,000 lbs.
Yes
Yes
No
Kansas
45'
Varies
8' 1/2"
14'
Yes
No
Yes (J)
Yes
Kentucky
-
65'
8'
13' 1/2"
Not required
Yes
Yes
No
Louisiana
30'
70'
8'
13' 1/2"
3,000 lbs.
No
Yes
No
Maine
45'
65'
8' 1/2"
13' 1/2"
3,000 lbs.
No
Yes
As posted
Maryland
-
55'
8' 1/2"
13' 1/2"
3,000 lbs.
No
Yes
No
Massachusetts
33'
-
8' 1/2"
13' 1/2"
10,000 lbs.
No
Yes
No
Michigan
-
60' (M)
8'
13' 1/2"
3,000 lbs.
Yes
Yes
As posted
Minnesota
40'
60'
8' 1/2"
13' 1/2"
3,000 lbs.
NR (B)
NR (B)
As posted
Mississippi
-
50'
8' 1/2"
13' 1/2"
2,000 lbs.
No
No
-
Missouri
-
60'
8'
13' 1/2"
Not required
Yes
Yes
As posted
Montana
-
65'
8' 1/2"
13' 1/2"
3,000 lbs.
No (N)
Yes
As posted
Nebraska
40'
65'
8' 1/2"
14' 1/2"
3,000 lbs.
Yes
Yes
No
Nevada
-
70'
8' 1/2"
14'
3,000 lbs. (G)
No
Yes
As posted
New Hampshire
-
48'
8'
13' 1/2"
1,500 lbs.
No
Yes
No
New Jersey
40'
48'
8'
13' 1/2"
3,000 lbs.
NR (B)
NR (B)
Yes
New Mexico
40'
65'
8'
14'
3,000 lbs.
No
Yes
Yes
New York
-
60' (E)
8'
13' 1/2"
3,000 lbs.
No
Yes
As posted
North Carolina
48'
60'
8' 1/2"
13' 1/2"
1,000 lbs.
Yes
Yes
No
North Dakota
60'
75'
8' 1/2"
14'
Required
No (M)
Yes
NR (B)
Ohio
-
65'
8' 1/2"
13' 1/2"
2,000 lbs.
No
Yes
No
Oklahoma
-
65'
8'
13'
3,000 lbs.
No
Yes
Yes
Oregon
35'
(F)
8' 1/2"
14'
None (F)
No (M)
Yes
No
Pennsylvania
40'
60'
8 1/2'
13' 1/2"
3,000 lbs.
No (F)
Yes
No
Rhode Island
48 1/2'
60'
8 1/2'
13 1/2'
4,000 lbs.
No
Yes
As posted
South Carolina
53'
-
8 1/2'
13 1/2'
3,000 lbs.
No
Yes (J)
No
South Dakota
-
70' (J)
8 1/2'
14'
3,000 lbs.
No (M)
Yes
No
Tennessee
48'
65'
8'
13 1/2'
3,000 lbs.
Yes (J)
Yes (J)
No
Texas
-
65'
8 1/2'
14'
4,500 lbs.
No
Yes
Yes
Utah
48'
65'
8 1/2'
14'
2,000 lbs.
No
-
As posted
Vermont
48'
65'
8 1/2'
13 1/2'
3,000 lbs.
No
Yes
No
Virginia
-
65'
8 1/2'
13 1/2'
3,000 lbs.
No
Yes
No
Washington
48'
75'
8 1/2'
14'
3,000 lbs. (F)
No
Yes
No
West Virginia
40
65'
8'
13 1/2'
3,000 lbs.
NR (B)
NR (B)
No
Wisconsin
40'
65'
8 1/2'
13 1/2'
3,000 lbs.
No (L)
Yes
No
Wyoming
60'
85'
8 1/2'
14'
3,000 lbs.
No
Yes
No

SPECIAL NOTES

(A) Required if gross weight exceeds amount shown
(B) No regulations
(C) Permitted but not recommended
(D) Maximum width 8 ft. on Interstate
(E) Total 55 ft. if trailer exceeds 45 ft.
(F) Check with state/province for exceptions and restrictions
(G) If trailer was manufactured after July 1, 1975, independent braking system is required when gross weight is 1,500 lbs. or more
(H) Person must be seated in a regular passenger seat or in a seat permanently mounted to camper
(I) Owner's family only
(J) Special provisions apply
(K) Required on second towed vehicle
(L) Permitted in fifth-wheelers only
(M) Special provisions apply to fifth-wheelers
(N) Or two or more axles


ADDITIONAL TRAILER
RESTRICTIONS

ALABAMA-House trailers more than 40 ft. long or 8 ft. wide excluded without state permit.
CALIFORNIA-Maximum of one boat or general utility trailer may be towed behind passenger of pleasure vehicles.
COLORADO-No trailers permitted on Broadmoor-Chyenne Mountain Highway Or Pikes Peak Auto Highway.
CONNECTICUT-Recreational Vehicles whose limits exceed 7 1/2 ft. wide, 8 ft. high, 24 ft long and 7,500 lbs. are prohibited on Merritt and Wilbur Parkways.
ILLINOIS-No trailers on bridge between Fulton, Illinois, and Clinton, Iowa.
IOWA-Travel trailers, house trailers and mobile homes over 3,000 lbs. are required to have brakes, equalizing hitches and sway control.
MARYLAND-No vehicles with bottled gas permitted in Baltimore Harbor Tunnel and Fort McHenry Tunnel.
MINNESOTA-Breakaway brakes are required for trailers weighing 6,000 lbs. gross and over.
MISSISSIPPI-Trailers longer than 32 ft. prohibited on Natchez Trace.
MONTANA-See Glacier National Park for RV restrictions on the Going-to-the-Sun Road.
NEVADA-More than one boat or general utility trailer ma be towed behind passenger or pleasure vehicles; check with state restrictions.
NEW YORK-Use on most parkways prohibited; check with state for restrictions.
NORTH CAROLINA-Independent brake system required on house trailers weighing more than 1,000 lbs. and manufactured after December 31, 1974.
UTAH-Breakaway braking system required if over 3,000 lbs.
VIRGINIA-No camping vehicles carrying more than two non-permanently mounted 45 lbs. bottled gas tanks with valves closed: Hampton Roads Bridge Tunnel, Chesapeake Bay Bridge Tunnel and Norfolk-Portsmouth Tunnel.
WISCONSIN-Riding in fifth-wheel trailers permitted under certain conditions.