Is Driving 84MPH on a 45 MPH area considered reckless driving in Texas?

It can be but speed by itself is not necessarily considered reckless without more information. Your attorney will need to look at all the factors in your case to decide what defenses are best to fight your case.

It CAN be. See Texas Transportation Code Sec. 545.401. RECKLESS DRIVING; OFFENSE. (a) A person commits an offense if the person drives a vehicle in wilful or wanton disregard for the safety of persons or property.

(b) An offense under this section is a misdemeanor punishable by:

(1) a fine not to exceed $200;

(2) confinement in county jail for not more than 30 days; or

(3) both the fine and the confinement.

(c) Notwithstanding Section 542.001, this section applies to:

(1) a private access way or parking area provided for a client or patron by a business, other than a private residential property or the property of a garage or parking lot for which a charge is made for the storing or parking of motor vehicles; and

(2) a highway or other public place.

(d) Notwithstanding Section 542.004, this section applies to a person, a team, or motor vehicles and other equipment engaged in work on a highway surface.