For the purposes of this article the following terms are defined:
Hazardous Material.
Any quantity, group, form or class of material designated as hazardous material in any official publication of the secretary of transportation of the United States under the authority of 49 U.S.C.A., Section 1803 (1976), as amended, including any such publication issued after the effective date of this article.
Requiring Placards.
Means that the material to be transported is hazardous and is in sufficient quantity to require placarding in accordance with Department of Transportation Hazardous Materials Regulations [49 U.S.C.A., Section 1801, et seq (1976)], or in accordance with V.T.C.A., Transportation Code, as amended.
Transport.
To move any motor vehicle requiring placards upon any public street or highway.
(1974 Code of Ordinances, Chapter 31, Sec. 31-134)
No person shall knowingly transport hazardous materials or knowingly cause hazardous materials to be transported upon any public street within the corporate limits of the City of Hillsboro, except upon the following:
(1) 
Industrial Loop (Pecos Street).
(2) 
Consolidated Drive.
(3) 
Highway 22.
(4) 
Highway 171.
(5) 
Highway 77.
(6) 
Highway 81.
(7) 
FM Road 3267 from the Hillsboro City Limits to Highway 22.
(8) 
I-35 and its service roads.
(1974 Code of Ordinances, Chapter 31, Sec. 31-134)
(a) 
It shall be a defense to prosecutions under (b) below that the transporting vehicle was empty.
(b) 
It shall be a defense to prosecutions under this subsection that such transportation was to a point of destination within the corporate limits of the City of Hillsboro or was from a point of origin within the corporate limits of the City of Hillsboro, or both, and that no portion of such transportation was in violation of Section 12.804 of this article.
(1974 Code of Ordinances, Chapter 31, Sec. 31-134)
The operator of a vehicle that is used for transport of hazardous materials requiring placards shall, before operations, inspect such vehicle and determine that:
(1) 
Brakes are in good working condition.
(2) 
Steering mechanism is in good working condition.
(3) 
All electrical wiring is well insulated and firmly secured.
(4) 
The vehicle is in a safe condition to transport hazardous materials.
(5) 
All emergency features on bulk transport carriers are installed and operative as outlined in U.S. Department of Transportation specifications and requirements.
(1974 Code of Ordinances, Chapter 31, Sec. 31-134)
It shall be presumed for purposes of prosecution under this article that a transporting vehicle contains hazardous materials if it bears a placard.
(1974 Code of Ordinances, Chapter 31, Sec. 31-134)
Both the fire department of the city and the Hillsboro Police Department are expressly authorized to enforce the provisions of this article.
(1974 Code of Ordinances, Chapter 31, Sec. 31-134)
Any person who shall violate any provision of this section shall be deemed guilty of a misdemeanor, and each such person shall be deemed guilty of a separate offense for each day or portion thereof during which any violation of any provision of this article is committed, continued or permitted, and each violation shall be punishable by a fine in accordance with the general penalty provision set forth in Section 1.109 of this code.
(1974 Code of Ordinances, Chapter 31, Sec. 31-134)