Tex. Transp. Code § 545.406

Current with legislation from the 2023 Regular and Special Sessions signed by the Governor as of November 21, 2023.
Section 545.406 - Coasting
(a) An operator moving on a downgrade may not coast with the gears or transmission of the vehicle in neutral.
(b) An operator of a truck, tractor, or bus moving on a downgrade may not coast with the clutch disengaged.

Tex. Transp. Code § 545.406

Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.