Tex. Transportation Code § 542.202

(a) This subtitle does not prevent a local authority, with respect to a highway under its jurisdiction and in the reasonable exercise of the police power, from:

(1) regulating traffic by police officers or traffic-control devices;

(2) regulating the stopping, standing, or parking of a vehicle;

(3) regulating or prohibiting a procession or assemblage on a highway;

(4) regulating the operation and requiring registration and licensing of a bicycle or electric bicycle, including payment of a registration fee, except as provided by Section 551.106;

(5) regulating the time, place, and manner in which a roller skater may use a highway;

(6) regulating the speed of a vehicle in a public park;

(7) regulating or prohibiting the turning of a vehicle or specified type of vehicle at an intersection;

(8) designating an intersection as a stop intersection or a yield intersection and requiring each vehicle to stop or yield at one or more entrances to the intersection;

(9) designating a highway as a through highway;

(10) designating a highway as a one-way highway and requiring each vehicle on the highway to move in one specific direction;

(11) designating school crossing guards and school crossing zones;

(12) altering a speed limit as authorized by this subtitle; or

(13) adopting other traffic rules specifically authorized by this subtitle.

(b) In this section:

(1) "Roller skater" means a person wearing footwear with a set of wheels attached.

(2) "Through highway" means a highway or a portion of a highway on which:

(A) vehicular traffic is given preferential right-of-way; and

(B) vehicular traffic entering from an intersecting highway is required by law to yield right-of-way in compliance with an official traffic-control device.

(3) "Regulating" means criminal, civil, and administrative enforcement against a person, including the owner or operator of a motor vehicle, in accordance with a state law or a municipal ordinance.