Tex. Transp. Code § 545.105
Current with legislation from the 2023 Regular and Special Sessions signed by the Governor as of November 21, 2023.
An operator may not stop or suddenly decrease the speed of the vehicle without first giving a stop signal as provided by this subchapter to the operator of a vehicle immediately to the rear when there is an opportunity to give the signal.
Tex. Transp. Code § 545.105