(1) The gross weight upon any wheel of a vehicle shall not exceed the following:
When the wheel is equipped with a solid rubber or cushion tire, eight thousand pounds;
When the wheel is equipped with a pneumatic tire, nine thousand pounds.
(2) The gross weight upon any single axle or tandem axle of a vehicle shall not exceed the following:
When the wheels attached to said axle are equipped with solid rubber or cushiontires, sixteen thousand pounds;
Except as provided in paragraph (b.5) of this subsection (2), when the wheels attached to a single axle are equipped with pneumatic tires, twenty thousand pounds;
(b.5) When the wheels attached to a single axle are equipped with pneumatic tires and the vehicle or vehicle combination is a digger derrick or bucket boom truck operated by an electric utility on a highway that is not on the interstate system as defined in section 43-2-101 (2), C.R.S., twenty-one thousand pounds;
(c) When the wheels attached to a tandem axle are equipped with pneumatic tires, thirtysix thousand pounds for highways on the interstate system and forty thousand pounds for highways not on the interstate system.
(3) (a) Vehicles equipped with a self-compactor and used solely for the transporting of trash are exempted from the provisions of paragraph (b) of subsection (2) of this section.
After January 1, 1987, the provisions of this subsection (3) shall be reviewed at ajoint meeting of the senate transportation committee and the house transportation and energy committee in order to determine the effects of such provisions.
A vehicle contracted by or owned and operated by a city, county, municipal utility, orspecial district is exempt from paragraph (c) of subsection (2) of this section if the vehicle:
Is equipped with a vacuum or jet equipment to load or unload solid, semisolid, orliquid waste for water or wastewater treatment or transportation systems or for the removal of storm water; and
Is not operated on the interstate system as defined by section 43-2-101, C.R.S.
(4) For the purposes of this section:
A single axle is defined as all wheels, whose centers may be included within twoparallel transverse vertical planes not more than forty inches apart, extending across the full width of the vehicle.
A tandem axle is defined as two or more consecutive axles, the centers of which maybe included between parallel vertical planes spaced more than forty inches and not more than ninety-six inches apart, extending across the full width of the vehicle.
The gross weight upon any one wheel of a steel-tired vehicle shall not exceed fivehundred pounds per inch of cross-sectional width of tire.
Any person who drives a vehicle or owns a vehicle in violation of any provision ofthis section commits a class 2 misdemeanor traffic offense.
Source: L. 94: Entire title amended with relocations, p. 2330, § 1, effective January 1, 1995. L. 96: (2)(b) amended and (2)(b.5) added, p. 629, § 3, effective January 1, 1997. L. 2003: (2)(b.5) amended, p. 670, § 1, effective March 20. L. 2014: (3)(c) added, (HB 14-1160), ch. 97, p. 352, § 1, effective August 6.
Editor's note: This section is similar to former § 42-4-406 as it existed prior to 1994, and the former § 42-4-507 was relocated to § 42-4-606.