Washington § 46.44.037 - Combination of units — Lawful operations.

Full text of Washington Revised Code of Washington § 46.44.037 — Combination of units — Lawful operations., with citation guidance and answers to common questions.

§ 46.44.037. Combination of units — Lawful operations.

Notwithstanding the provisions of RCW 46.44.036 and subject to such rules and regulations governing their operation as may be adopted by the state department of transportation, operation of the following combinations is lawful:
(1) A combination consisting of a truck tractor, a semitrailer, and another semitrailer or a full trailer. In this combination a converter gear used to convert a semitrailer into a full trailer shall be considered to be a part of the full trailer and not a separate vehicle. A converter gear being pulled without load and not used to convert a semitrailer into a full trailer may be substituted in lieu of a full trailer or a semitrailer in any lawful combination;
(2) A combination consisting of a truck tractor carrying a freight compartment no longer than eight feet, a semitrailer, and another semitrailer or full trailer that meets the legal length requirement for a truck and trailer combination set forth in RCW 46.44.030;
(3) A motor home or travel trailer with a cargo extension, provided that there are no trailers or secondary cargo extensions or units attached to the cargo extension.
[ 2016 c 22 s 7; 2011 c 230 s 1; 1991 c 143 s 2; 1985 c 351 s 2; 1984 c 7 s 53; 1979 ex.s. c 149 s 3; 1975-'76 2nd ex.s. c 64 s 9; 1965 ex.s. c 170 s 37; 1963 ex.s. c 3 s 53; 1961 c 12 s 46.44.037. Prior: 1957 c 273 s 16; 1955 c 384 s 3.]

Notes

Intent—Effective date—2016 c 22: See notes following RCW 46.04.094.
Effective dates—Severability—1975-'76 2nd ex.s. c 64: See notes following RCW 46.16A.455.

Source: official Washington text · Last verified 2026-08-27

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Frequently Asked Questions About Washington § 46.44.037

What does Revised Code of Washington § 46.44.037 cover?

Section 46.44.037 ("Combination of units — Lawful operations.") is part of the Revised Code of Washington, the codified statutory law of Washington. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.

How do I cite Washington § 46.44.037?

A common citation format is "Revised Code of Washington § 46.44.037" (Washington). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.

Is this the official text of Washington law?

No. This page is for research and education and may not include the most recent amendments. For official current law, check the Washington official source linked on this page or consult a licensed Washington attorney.

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