(a)
Definitions— Section 31111(a) of title 49, United States Code, is amended—
(1)
by redesignating paragraph (3) as paragraph (6);
(2)
by redesignating paragraph (2) as paragraph (3);
(3)
by redesignating paragraph (4) as paragraph (2); and
(4)
by inserting after paragraph (3) the following:
“(4) Towaway trailer transporter combination—The term towaway trailer transporter combination means a combination of vehicles consisting of a trailer transporter towing unit and 2 trailers or semitrailers—
“(A) with a total combined weight that does not exceed 26,000 pounds; and
“(B) in which the trailers or semitrailers carry no property and constitute inventory property of a manufacturer, distributor, or dealer of such trailers or semitrailers.
“(5) Trailer transporter towing unit—The term trailer transporter towing unit means a power unit that is not used to carry property while operating in a towaway trailer transporter combination.”
(b)
General limitations— Section 31111(b)(1) of such title is amended—
(1)
in subparagraph (E), by striking “or” at the end;
(2)
in subparagraph (F), by striking the period at the end and inserting “; or”; and
(3)
by adding at the end the following:
“(G) has the effect of imposing an overall length limitation of less than 82 feet on a towaway trailer transporter combination.”
(c)
Conforming amendments—
(1)
Property-carrying unit limitation— Section 31112(a)(1) of such title is amended by inserting “or trailers or semitrailers transported as part of a towaway trailer transporter combination (as defined in section 31111(a)” after “truck tractor”.
(2)
Access to interstate system— Section 31114(a)(2) of such title is amended—
(A)
by striking “or”; and
(B)
by inserting “, or any towaway trailer transporter combination (as defined in section 31111(a)) that is not longer than 82 feet” before the period at the end.