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Single RV / trailer length laws by state

People search “Single RV / trailer length by state”, “Single RV / trailer length laws by state”, and “Unit length map” when a road trip, boat, bike, or load is about to cross a line. This page is the 50-state index for single rv / trailer length. Colors and quotes are written for someone in that state today, not for what that state demands of its own registered vehicles.

Open the Unit length difference map

How states differ

Max single motorhome or travel-trailer length.

  • Often allows ~45 ft single units
  • Often capped near ~40 ft

Searches this page is meant to answer

If you typed any of these — or a close variant with a state name — this is the Crosstatelaws topic that should show up:

  • Single RV / trailer length by state
  • Single RV / trailer length laws by state
  • Unit length laws by state
  • Single RV / trailer length map
  • Single RV / trailer length traveling across state lines
  • does single rv / trailer length change by state
  • max RV length by state
  • 40 foot vs 45 foot motorhome
  • Single RV / trailer length in California / Texas / Florida / New York
  • is single rv / trailer length legal while traveling

All 50 states

One-line traveler summary for each state. Open the map for the quoted rule and footnotes.

Alabama (AL)
Alabama: 45 ft single RV/trailer box (Ala. Code § 32-9-20). This is not truck-plus-trailer overall length.
Alaska (AK)
Alaska: 45 ft single RV/trailer box (17 AAC 25.012). This is not truck-plus-trailer overall length.
Arizona (AZ)
Arizona: 45 ft single RV/trailer box (A.R.S. § 28-1095). This is not truck-plus-trailer overall length.
Arkansas (AR)
Arkansas: 45 ft single RV/trailer box (Ark. Code § 27-35-206). This is not truck-plus-trailer overall length.
California (CA)
California: 45 ft single RV/trailer box (Cal. Veh. Code § 35400). This is not truck-plus-trailer overall length.
Colorado (CO)
Colorado: 45 ft single RV/trailer box (C.R.S. § 42-4-504). This is not truck-plus-trailer overall length.
Connecticut (CT)
Connecticut: 40 ft single RV/trailer box (Conn. Gen. Stat. § 14-262). This is not truck-plus-trailer overall length.
Delaware (DE)
Delaware: 40 ft single RV/trailer box (21 Del. C. § 4502). This is not truck-plus-trailer overall length.
Florida (FL)
Florida: 45 ft single RV/trailer box (Fla. Stat. § 316.515). This is not truck-plus-trailer overall length.
Georgia (GA)
Georgia: 45 ft single RV/trailer box (O.C.G.A. § 32-6-24). This is not truck-plus-trailer overall length.
Hawaii (HI)
Hawaii: 45 ft single RV/trailer box (Haw. Rev. Stat. § 291-34). This is not truck-plus-trailer overall length.
Idaho (ID)
Idaho: 45 ft single RV/trailer box (Idaho Code § 49-1010). This is not truck-plus-trailer overall length.
Illinois (IL)
Illinois: 40 ft single RV/trailer box on this card (625 ILCS 5/15-107 single-unit length). Combination length is the separate 60 ft layer.
Indiana (IN)
Indiana: 40 ft single RV/trailer box (Ind. Code § 9-20-3-3). This is not truck-plus-trailer overall length.
Iowa (IA)
Iowa: 40 ft single RV/trailer box (Iowa Code § 321.457). This is not truck-plus-trailer overall length.
Kansas (KS)
Kansas: 45 ft single RV/trailer box (Kan. Stat. § 8-1904). This is not truck-plus-trailer overall length.
Kentucky (KY)
Kentucky: 40 ft single RV/trailer box (KRS § 189.221). This is not truck-plus-trailer overall length.
Louisiana (LA)
Louisiana: 45 ft single RV/trailer box (La. R.S. 32:382). This is not truck-plus-trailer overall length.
Maine (ME)
Maine: 40 ft single RV/trailer box (29-A M.R.S. § 2390). This is not truck-plus-trailer overall length.
Maryland (MD)
Maryland: 40 ft single RV/trailer box (Md. Code, Transp. § 24-104.1). This is not truck-plus-trailer overall length.
Massachusetts (MA)
Massachusetts: 40 ft single RV/trailer box (Mass. Gen. Laws ch. 90, § 19). This is not truck-plus-trailer overall length.
Michigan (MI)
Michigan: 40 ft single RV/trailer box (MCL 257.719). This is not truck-plus-trailer overall length.
Minnesota (MN)
Minnesota: 40 ft single RV/trailer box (Minn. Stat. § 169.81). This is not truck-plus-trailer overall length.
Mississippi (MS)
Mississippi: 40 ft single RV/trailer box (Miss. Code § 63-5-19). This is not truck-plus-trailer overall length.
Missouri (MO)
Missouri: 40 ft single RV/trailer box (Mo. Rev. Stat. § 304.170). This is not truck-plus-trailer overall length.
Montana (MT)
Montana: 45 ft single RV/trailer box (Mont. Code § 61-10-104). This is not truck-plus-trailer overall length.
Nebraska (NE)
Nebraska: 45 ft single RV/trailer box (Neb. Rev. Stat. § 60-6,290). This is not truck-plus-trailer overall length.
Nevada (NV)
Nevada: 45 ft single RV/trailer box (NRS 484D.615). This is not truck-plus-trailer overall length.
New Hampshire (NH)
New Hampshire: 40 ft single RV/trailer box (N.H. Rev. Stat. § 266:11). This is not truck-plus-trailer overall length.
New Jersey (NJ)
New Jersey: 40 ft single RV/trailer box (N.J.S.A. 39:3-84). This is not truck-plus-trailer overall length.
New Mexico (NM)
New Mexico: 45 ft single RV/trailer box (N.M. Stat. § 66-7-404). This is not truck-plus-trailer overall length.
New York (NY)
New York: 40 ft single RV/trailer box (N.Y. Veh. & Traf. Law § 385(3)). This is not truck-plus-trailer overall length.
North Carolina (NC)
North Carolina: 40 ft single RV/trailer box (N.C. Gen. Stat. § 20-116). This is not truck-plus-trailer overall length.
North Dakota (ND)
North Dakota: 45 ft single RV/trailer box (N.D. Cent. Code § 39-12-04). This is not truck-plus-trailer overall length.
Ohio (OH)
Ohio: 40 ft single RV/trailer box (Ohio Rev. Code § 5577.05). This is not truck-plus-trailer overall length.
Oklahoma (OK)
Oklahoma: 45 ft single RV/trailer box (47 O.S. § 14-103). This is not truck-plus-trailer overall length.
Oregon (OR)
Oregon: 45 ft single RV/trailer box (Or. Rev. Stat. § 818.080). This is not truck-plus-trailer overall length.
Pennsylvania (PA)
Pennsylvania: 40 ft single RV/trailer box (75 Pa.C.S. § 4923). This is not truck-plus-trailer overall length.
Rhode Island (RI)
Rhode Island: 40 ft single RV/trailer box (R.I. Gen. Laws § 31-25-5). This is not truck-plus-trailer overall length.
South Carolina (SC)
South Carolina: 45 ft single RV/trailer box (S.C. Code § 56-5-4070). This is not truck-plus-trailer overall length.
South Dakota (SD)
South Dakota: 45 ft single RV/trailer box (S.D. Codified Laws § 32-22-8.1). This is not truck-plus-trailer overall length.
Tennessee (TN)
Tennessee: 45 ft single RV/trailer box (Tenn. Code § 55-7-201). This is not truck-plus-trailer overall length.
Texas (TX)
Texas: 45 ft single RV/trailer box (Tex. Transp. Code § 621.201). This is not truck-plus-trailer overall length.
Utah (UT)
Utah: 45 ft single RV/trailer box (Utah Code § 72-7-402). This is not truck-plus-trailer overall length.
Vermont (VT)
Vermont: 40 ft single RV/trailer box (23 V.S.A. § 1431). This is not truck-plus-trailer overall length.
Virginia (VA)
Virginia: 40 ft single RV/trailer box (Va. Code § 46.2-1112). This is not truck-plus-trailer overall length.
Washington (WA)
Washington: 45 ft single RV/trailer box (RCW 46.44.030). This is not truck-plus-trailer overall length.
West Virginia (WV)
West Virginia: 40 ft single RV/trailer box (W. Va. Code § 17C-17-4). This is not truck-plus-trailer overall length.
Wisconsin (WI)
Wisconsin: 40 ft single RV/trailer box (Wis. Stat. § 348.07). This is not truck-plus-trailer overall length.
Wyoming (WY)
Wyoming: 45 ft single RV/trailer box (Wyo. Stat. § 31-18-802). This is not truck-plus-trailer overall length.

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Not legal advice. Confirm statutes before you travel. Disclaimer.