It shall be unlawful for any person to drive or operate a through truck upon any street or highway within the city that has not been designated as a truck route. For purposes of this provision, the following are designated as the truck routes:
(1) 
Loop 338.
(2) 
Interstate Highway 20.
(Ordinance 95-58, sec. 1, adopted 10/24/95; 1957 Code, sec. 18-51; Ordinance 2017-30, sec. 1, adopted 6/27/17; Ordinance 2017-42, sec. 1, adopted 9/26/17; Ordinance 2018-28, secs. 2–3, adopted 7/24/18)
It shall be unlawful for any person to drive or operate a through truck transporting hazardous materials, as defined by US-DOT, on any street or highway within the city that has not been designated as a hazardous cargo route. For purposes of this provision, the following are designated as hazardous cargo routes:
(1) 
Interstate Highway 20.
(2) 
Loop 338.
(Ordinance 95-58, sec. 1, adopted 10/24/95; 1957 Code, sec. 18-52.1)
(a) 
Any person operating any of the aforesaid vehicles upon any street or highway which is not designated a truck or hazardous cargo route as provided for hereinabove shall have in his possession for the inspection of police officers his log book or evidence of his destination and point of origin to justify the presence of said vehicle on a street or highway other than a designated truck or hazardous cargo route. Failure to have such log book or evidence in his possession shall not be an offense, but shall create a presumption that such person is unlawfully operating one of the aforesaid vehicles upon a street or roadway which is not designated a truck route.
(b) 
The driving of a truck upon a street or highway not designated as a hazardous cargo or truck route in any of the following situations shall not constitute a violation:
(1) 
The pickup or delivery of merchandise at a location not situated on the designated truck route, provided the truck leaves and returns to the designated truck route by the most direct route available.
(2) 
Traveling to or from a service or repair shop, provided the truck leaves and returns to the designated truck route by the most direct route available.
(3) 
For local trucks, traveling to or from a place where a truck can be legally parked or stored while not in use, provided the truck leaves and returns to the designated truck route by the most direct route available.
(4) 
A truck shall not be required to enter or exit directly onto the designated truck route if such entry or exit would be unsafe from a traffic safety standpoint as determined and as so designated by the director of public works for the city.
(5) 
Authorized emergency vehicles (as defined by article 6701d, Vernon’s Texas Civil Statutes), school buses, church buses, and municipal and utility service trucks.
(Ordinance 95-58, sec. 1, adopted 10/24/95; 1957 Code, sec. 18-53; Ordinance 2017-42, sec. 2, adopted 9/26/17)
Appropriate signs and markings shall be erected and maintained advising the operators of trucks of the designated streets and highways which constitute the truck route and the hazardous cargo route.
(Ordinance 95-58, sec. 1, adopted 10/24/95; 1957 Code, sec. 18-54; Ordinance 2017-42, sec. 3, adopted 9/26/17)