2005 Washington Revised Code RCW 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 not exceeding seventy-five feet in overall length consisting of four trucks or truck tractors used in driveaway service where three of the vehicles are towed by the fourth in triple saddlemount position;

     (3) 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.

[1991 c 143 § 2; 1985 c 351 § 2; 1984 c 7 § 53; 1979 ex.s. c 149 § 3; 1975-'76 2nd ex.s. c 64 § 9; 1965 ex.s. c 170 § 37; 1963 ex.s. c 3 § 53; 1961 c 12 § 46.44.037. Prior: 1957 c 273 § 16; 1955 c 384 § 3.]

Severability -- 1984 c 7: See note following RCW 47.01.141.      Effective dates -- Severability -- 1975-'76 2nd ex.s. c 64: See notes following RCW 46.16.070.