Conn. Gen. Stat. § 14-264
No vehicle, except a vehicle loaded with loose hay or straw, whose height, with its load, exceeds thirteen feet six inches, shall be operated upon any highway or bridge without a special written permit from the Commissioner of Transportation as provided in section 14-270, specifying the period for which and the other conditions under which such vehicle shall be permitted to be so operated. Violation of the provision of this section shall be subject to a fine of one thousand five hundred dollars.
Conn. Gen. Stat. § 14-264
(1949 Rev., S. 2501; 1967, P.A. 153, S. 1; 1969, P.A. 354, S. 3; 768, S. 146; P.A. 75-577, S. 104, 126; P.A. 99-181, S. 22, 40.)
Violation constitutes negligence but to constitute contributory negligence it must be a proximate cause or substantial factor in bringing about the injuries. 145 Conn. 714.