Okla. Stat. tit. 47, § 47-14-121: Special combination vehicles - Permits

A. No person shall operate a special combination vehicle within

this state without a special combination vehicle permit for the

vehicle issued by the Department of Transportation. Such permit may

be issued for operation upon Federal Aid Interstate Highways or

four-lane divided Federal Aid Primary Highways and for access or

egress between points of origin or destination.

B. The Executive Director of the Department of Transportation

shall promulgate rules for the issuance of special combination

vehicle permits and shall collect an annual fee of Two Hundred Forty

Dollars ($240.00) for each such permit issued. Except as provided

in Section 14-122 of this title, fees collected pursuant to this

section shall be remitted to the State Treasurer to be credited to

the General Revenue Fund in the State Treasury.

C. For the purposes of this section, a special combination

vehicle shall consist of a truck-tractor semitrailer combination

towing two complete trailers or semitrailers. No semitrailer or

trailer used in such a combination shall have a length greater than

twenty-nine (29) feet nor shall a special combination vehicle exceed

the weight limitations imposed by Sections 14-109 and 14-116 of this

title.