Texas Transportation Code
Sec. § 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.
Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.
Source
Last accessed
Jun. 18, 2019