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Illinois RV length limits
Illinois's limits for motorhomes, trailers, triple towing and height, quoted from its own law. Enter your rig to check it.
The law in Illinois
Motorhome: 45 ft
"(a-1) A motor home as defined in Section 1-145.01 may be up to 45 feet in length, not including energy absorbing bumpers."
Overall combination: 60 ft
"All other combinations not listed in this subsection (f) may not exceed 60 feet overall dimension."
Triple towing: With conditions
"(5) Recreational vehicles consisting of 3 vehicles, provided the following: ... (A) The total overall dimension does not exceed 60 feet."
Height: 13 ft 6 in
"The height of a vehicle from the under side of the tire to the top of the vehicle, inclusive of load, shall not exceed 13 feet, 6 inches on any highway in the State."
Width: 102 in (8 ft 6 in)
"(a) On Class III and non-designated State and local highways, the total outside width of any vehicle or load thereon shall not exceed 8 feet 6 inches."
625 ILCS 5/15-107 Length of vehicles (ILGA public file repository), checked November 2026.
Truck and trailer or fifth wheel in Illinois. Yes. Your truck and trailer is within Illinois's length limits.
Truck and trailer or fifth wheel · Illinois
Within the limitsYes. Your truck and trailer is within Illinois's length limits.
Add your height to check it against Illinois's 13 ft 6 in limit.
Overall length
WithinYours 52 ft · limit 60 ft"All other combinations not listed in this subsection (f) may not exceed 60 feet overall dimension."
"(f) On non-designated highways, the maximum length limitations for vehicles in combination are as follows:"
Width: 102 in (8 ft 6 in)
"(a) On Class III and non-designated State and local highways, the total outside width of any vehicle or load thereon shall not exceed 8 feet 6 inches."
"(1) the excess width is attributable to appurtenances that extend 6 inches or less beyond either side of the body of the vehicle; and (2) the roadway on which the vehicle is traveling has marked lanes for vehicular traffic that are at least 11 feet in width."
"the term appurtenance includes (i) a retracted awning and its support hardware and (ii) any appendage that is intended to be an integral part of a recreational vehicle."
"(f) Mirrors required by Section 12-502 of this Code may project up to 14 inches beyond each side of a bus and up to 6 inches beyond each side of any other vehicle, and that projection shall not be deemed a violation of the width restrictions of this Section."
More from Illinois's law
"(a) The maximum length of a single vehicle on any highway of this State may not exceed 42 feet except the following:"
"(c) Except as provided in subsections (c-1) and (c-2), combinations of vehicles may not exceed a total of 2 vehicles except the following:"
Source: 625 ILCS 5/15-107 Length of vehicles (ILGA public file repository), checked November 2026.
Also read on: 625 ILCS 5/15-102 Width of vehicles · 625 ILCS 5/15-103 Height of vehicles
See your rig against every state's limits
A guide to each state's published law, not legal advice. Lengths are measured as each state's law says (bumpers and hitches count in most); posted signs, local roads and permits can differ. The linked law is the authority.
- Each state's own law, quoted
- Motorhome, trailer or triple tow
- Every state on your trip at once
Where to stay in Illinois
42 RV parks listed in Illinois.
Other states
RV length limits in other states
- Alabama
- Alaska
- Arizona
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Hawaii
- Idaho
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Common questions
RV length and towing questions
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