(a) A person commits an offense if the person uses the person's body, a car, or a barricade to knowingly impede or otherwise interfere with a peace officer's investigation of conduct prohibited under Section 545.420 or a reckless driving exhibition, as defined by Section 42.03, Penal Code.
(b) An offense under this section is a Class B misdemeanor.
(c) If conduct constituting an offense under this section also constitutes an offense under any other law, the actor may be prosecuted under this section, the other law, or both.
Official text of the Texas Transportation Code as published by the Texas Legislative Council.