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Missouri RV length limits

Missouri's limits for motorhomes, trailers, triple towing and height, quoted from its own law. Enter your rig to check it.

The law in Missouri

Motorhome: 45 ft
"No bus, recreational motor vehicle or trackless trolley coach operated upon the highways of this state shall have a length in excess of forty-five feet, except that such vehicles may exceed the forty-five feet length when such excess length is caused by the projection of a front safety bumper or a rear safety bumper or both."
Overall combination: 55 ft (65 ft on the highways its law names)
"no other combination of vehicles operated upon the primary or interstate highways of this state plus a distance of ten miles from a primary or interstate highway shall have an overall length, unladen or with load, in excess of sixty-five feet or in excess of fifty-five feet on any other highway."
Height: 13 ft 6 in (14 ft on the highways its law names)
"On all other highways, no vehicle shall have a height, including load, in excess of thirteen and one-half feet"
Width: 102 in (8 ft 6 in)
"No vehicle operated upon the highways of this state shall have a width, including load, in excess of one hundred two inches, except clearance lights, rearview mirrors or other accessories required by federal, state or city law or regulation."

Section 304.170 RSMo, Regulations as to width, height and length of vehicles, checked November 2026.

RV Length Limits by StateMissouri

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Truck and trailer or fifth wheel · Missouri

Within the limits

Yes. Your truck and trailer is within Missouri's length limits.

Add your height to check it against Missouri's 13 ft 6 in limit.

Overall length
WithinYours 52 ft · limit 55 ft, 65 ft on named highways
"no other combination of vehicles operated upon the primary or interstate highways of this state plus a distance of ten miles from a primary or interstate highway shall have an overall length, unladen or with load, in excess of sixty-five feet or in excess of fifty-five feet on any other highway."
"no other combination of vehicles operated upon the primary or interstate highways of this state plus a distance of ten miles from a primary or interstate highway shall have an overall length, unladen or with load, in excess of sixty-five feet"

Width: 102 in (8 ft 6 in)

"No vehicle operated upon the highways of this state shall have a width, including load, in excess of one hundred two inches, except clearance lights, rearview mirrors or other accessories required by federal, state or city law or regulation."

"Provided however, a recreational vehicle as defined in section 700.010 may exceed the foregoing width limits if the appurtenances on such recreational vehicle extend no further than the rearview mirrors."

Where to stay in Missouri

47 RV parks listed in Missouri.

See Missouri RV parks

Common questions

RV length and towing questions

45 ft. Missouri's law says: "No bus, recreational motor vehicle or trackless trolley coach operated upon the highways of this state shall have a length in excess of forty-five feet, except that such vehicles may exceed the forty-five feet length when such excess length is caused by the projection of a front safety bumper or a rear safety bumper or both."

55 ft overall. Missouri's law says: "no other combination of vehicles operated upon the primary or interstate highways of this state plus a distance of ten miles from a primary or interstate highway shall have an overall length, unladen or with load, in excess of sixty-five feet or in excess of fifty-five feet on any other highway."

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