(

a) Except as provided in subdivision (b), a person shall not drive a commercial vehicle with three or more axles, or a gross vehicle weight or a combined gross weight of 9,000 pounds or more, on the segment of State Route 2 (SR-2) that is located between Interstate Route 210 (I-210) in the City of La Canada Flintridge and County Route N4 (Big Pine Highway) in the County of Los Angeles. (

b) Subdivision (

a) does not apply to any of the following vehicles:

(1) An authorized emergency vehicle.

(2) A vehicle operated by a publicly or privately owned public utility.

(3) A vehicle operated by a government agency.

(4) A transit bus servicing facilities accessible only from that portion of State Route specified in subdivision (a).

(5) A tow truck providing assistance to a vehicle that is accessible only from that portion of State Route specified in subdivision (a).

(6) A commercial vehicle making deliveries to or from, or servicing, property that is either of the following: (

A) Located within the city limits of the City of La Canada Flintridge. (

B) Is accessible only from the portion of State Route specified in subdivision (a).

(7) A commercial vehicle involved in a motion picture, commercial, or television production conducting motion picture, commercial, or television production activities in areas that are accessible only from that portion of State Route specified in subdivision (a). (

c) A person who violates this

section shall, upon conviction, be punished by a fine pursuant to subdivision (

a) of

Section or one thousand dollars ($1,000), whichever is greater. (

d) The Department of Transportation shall erect suitable signs at each end of the portion of State Route specified in subdivision (

a) and any other points that the department deems necessary to give adequate notice of the prohibition pursuant to this section.